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[Music]
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welcome back to hardware unboxed
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today we've got part two of our b550 vrm
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thermal performance investigation
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and this time around i'll be looking at
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board's price between 140
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and 160 dollars us now quite
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surprisingly aibs have managed to cram
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eight b550 bullets into this price range
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we have three from msi
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two from gigabyte two from asrock and a
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single board from asus
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now from asus we have the tough gaming
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b550m
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plus but they do also offer the prime
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b550 plus and that costs 150 us
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so technically there are nine b550
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boards crammed into this price range but
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unfortunately
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the prime plus is just not available
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here locally in australia
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so i wasn't able to purchase it for this
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roundup anyway without wasting any time
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let's briefly go over each of these
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boards we have here on hand
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and then of course we will dig into
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those vrm thermal results
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starting with the msi b550a pro
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this is the cheapest board in this
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roundup coming in 140
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us when compared to the entry level
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boards featured in our first round up
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there's not a lot extra on offer here in
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terms of features like usb ports
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m.2 slots and so on the i o panel for
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example features just four usb
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3.2 spec ports with four usb 2.2 ports
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though there is support for usb 3.2 type
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c
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at the front where the b550a pro is a
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significant upgrade over the entry-level
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boards
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is in its vrm offering a 10-phase v-core
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from the ir35201 controller msi takes
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five signals each of which is then
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doubled using an ir3598 phase doubler
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each of the 10 phases is driven by an on
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semi 4c029n fit
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on the high side with an on semi4c024n
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fit on the low side
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and these are the same mosfets used by
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the b450 tomahawk the
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b550 pro vdh wi-fi and the b550m bazooka
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there's just two more sets of them and
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each phase feeds into its own dedicated
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inductor
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so in terms of thermal performance the
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b550a pro should have a big advantage
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over those boards just mentioned
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now the last msi gaming plus motherboard
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that i looked at supporting ryzen
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processors was the
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x570 gaming plus which cost 170
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us and was pretty awful in terms of vrm
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quality
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at least given the price and the fact
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that the board donned a flagship am4
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chipset
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it was really the kind of vrm
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configuration to expect to find on an
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entry level b series board
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and proving that point is the 150
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b550 gaming plus which takes the x 570
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gaming plus vrm
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and expands its capacity by 25 msi is
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now taking five signals from the pwm
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controller
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and this means there are two extra sets
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of mosfets the components themselves are
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still the same we're just getting more
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of them
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on a more affordable motherboard as for
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the rest of the board
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it's pretty standard though for just 10
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more over the b550a
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pro you get a few nice features that
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extend beyond just the larger vrm
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the pre-installed io shield is a nice
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touch as are the larger heat sinks
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but other than that it is essentially
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the same board then for 10 dollars more
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msi offers the b550m mortar at 160
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us which i like to think of as kind of
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the micro atx version of the b550
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tomahawk
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in terms of vcore vrm design it is a
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step up from the previous two msi models
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as it moves away from discrete mosfets
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by using 8 isl 9936060 amp power stages
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it is worth noting that although there
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are eight power stages the board only
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features a four
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phase v core as msi is doubling the
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components per phase
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rather than doubling the phases
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themselves and this is something we've
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seen asus do for years now
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we've seen good things from these 60 amp
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power stages in the past so i am
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expecting good things from the mortar
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especially relative to the competing
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boards when compared to the b550 gaming
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plus the mortar drops two usb ports from
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the io panel which
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i do find a bit disappointing there is
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really no reason for msi to remove those
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ports so i would have rather seen them
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remain
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but other than that despite the m80x
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design they are very similar in terms of
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features
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moving onto gigabyte we have the gaming
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x and this is another 140
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standard atx b550 motherboard and like
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its direct competitor the msi b550a pro
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it also features a 10 phase v core vrm
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however gigabytes opted for lower
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quality on semiconductor fets
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so i'm not too confident in this board
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the heatsinks are also very basic it has
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to be said
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so it will be interesting to see how the
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gaming x handles the ryzen 9 processors
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as for board features it is super basic
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there's far fewer connectivity options
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on the i o panel
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when compared to say the msi b550a pro
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the audio has been simplified there's no
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usb type-c
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and there's also two less usb ports and
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then there's also no usb
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type-c front panel support either no m.2
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shield and then just four sided six
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gigabits per second ports
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but the i o shield is pre-installed so
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there is that
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still when compared to the equally
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priced msi b550a pro the gigabyte b550
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gaming x does appear to be the inferior
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product at least on paper
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stepping things up a notch for gigabyte
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is their b550 aorus pro
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which comes in at 160 us making it 20
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dollars more than the gaming x model
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and for that small price premium the
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aorus pros vrm is significantly improved
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the 12-phase v-core takes half a dozen
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signals from the pwm controller
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and doubles them using isl 6617a phase
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doublers each of which feeds into a
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vichai sic-651c50 amp power stage
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the heat sinks cooling these power
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stages aren't particularly impressive
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but regardless of that i'm still
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expecting good things from this board
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moving past the vrm the rest of the
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board design and feature set is quite
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good
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the i o panel configuration for example
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is similar to that of msi's b550 gaming
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plus
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but here you're also getting 2.5 gigabit
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lan support
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the audio codec has also been upgraded
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slightly to realtek's alc 1200 with high
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quality capacitors
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the only downgrade here is the inclusion
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of just four sata ports but still
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overall a good looking board and i am
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keen to see how it performs
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next up we have the asus tough gaming
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b550m
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plus which comes in at 160 us though for
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ten dollars more you can get a standard
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atx version
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which features the exact same vrm and
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the same heat sinks so in terms of vrm
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thermal performance
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the micro atx and standard atx versions
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of this board should be exactly the same
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and for this one asus has gone with a
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very basic v core vrm design much like
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what we saw with the msi b550m mortar
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it's a four phase design using doubled
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up components
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so each phase consists of two vichai sic
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63 950 amp power stages
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then cooling all the varium components
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are two reasonably large aluminium heat
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sinks
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so while the vrm certainly looks solid
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the rest of the board
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if i'm honest is pretty basic given the
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price there's no pre-installed i o
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shield
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and the i o panel itself offers a fairly
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typical
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array of connectivity for example there
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are 4 usb
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3.2 gen1 ports 2 usb 3.2 gen 2 ports and
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2 usb 2.0 ports asus has included 2.5
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gigabit lan support so that's nice
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but on board the rest of the features
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pretty standard and again no front usb
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type c
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and just four sata ports the cheapest
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board in this roundup is the asrock b550
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pro 4
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though it is just five dollars less than
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the msi b550a pro and gigabyte b550
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gaming x
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in terms of vrm design and cooling it is
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100 identical to the micro hx version we
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looked at in the previous roundup
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so it's not amazing but it should be
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good enough given the price and what
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we're looking at here is a six-phase
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v-core
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using phase doublers each phase features
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a cinopower sm4337 fit on the high side
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with a sinopower sm4336 fit on the low
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side
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feeding into a single inductor it's
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without question
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the weakest v-core vrm of this round up
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but it's also the cheapest board
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then finally we have the asrock b550m
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steel legend
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which steps up to 155 us and for that
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extra twenty dollars you get a seriously
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big upgrade in terms of vrm quality
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this time asrock has built an eight
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phase vrm using phase doublers but more
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crucially they've dropped the cheap
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cinepower discrete fets in favor of the
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shades sic
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654 50 amp power stages radically
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enhancing the board's current
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capabilities
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the b550m steel legend is really a
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direct competitor to msi's b550m mortar
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and in terms of features it is quite
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good offering half a dozen usb 3.2 ports
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on the i o panel
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along with two usb 2 ports and like the
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mortar 2.5 gigabit land is also on offer
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the rest of the features are very
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similar across the two boards so the key
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determining factor here could be
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vrm performance but before we get to the
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graphs let's talk about the test
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conditions for this testing and any
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future am4 vr and thermal testing i've
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built a dedicated system with the help
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of corsair
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who sent over their obsidian series 500d
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mid tower case
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rm850x power supply iq h150i
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rgb pro xt all in one liquid cooler and
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32 gigabytes of their vengeance rgb pro
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ddr4 3200 memory
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the obsidian 500d has been configured
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with a single rear 120 millimeter
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exhaust fan and then
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two top mounted 140 millimeter exhaust
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fans then in the front of the case we
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have the h150i
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00:09:27,680 --> 00:09:32,959
360 millimeter radiator with three 120
278
00:09:31,519 --> 00:09:34,560
millimeter intake fans
279
00:09:32,959 --> 00:09:36,640
this is a pretty standard configuration
280
00:09:34,560 --> 00:09:39,040
at least for a higher end system
281
00:09:36,640 --> 00:09:41,200
the airflow is good and in a 21 degree
282
00:09:39,040 --> 00:09:42,720
room i'd say this is an optimal setup
283
00:09:41,200 --> 00:09:44,160
for recording temperatures i'm using a
284
00:09:42,720 --> 00:09:45,279
digital thermometer with k-type
285
00:09:44,160 --> 00:09:47,440
thermocouples
286
00:09:45,279 --> 00:09:48,480
and i'll be reporting the peak rear pcb
287
00:09:47,440 --> 00:09:50,320
temperature
288
00:09:48,480 --> 00:09:51,680
finally i'm not reporting delta t over
289
00:09:50,320 --> 00:09:53,200
ambient and today maintain a room
290
00:09:51,680 --> 00:09:54,720
temperature of 21 degrees
291
00:09:53,200 --> 00:09:56,959
and to ensure a consistent ambient
292
00:09:54,720 --> 00:09:58,480
temperature a thermocouple is positioned
293
00:09:56,959 --> 00:10:00,000
next to the test system
294
00:09:58,480 --> 00:10:01,839
now for this testing we have four
295
00:10:00,000 --> 00:10:03,120
configurations using three different
296
00:10:01,839 --> 00:10:05,120
ryzen processors
297
00:10:03,120 --> 00:10:06,399
the base configuration which every board
298
00:10:05,120 --> 00:10:09,440
should pass with ease
299
00:10:06,399 --> 00:10:11,519
sees us use the ryzen 7 3700x it's a low
300
00:10:09,440 --> 00:10:13,360
powered part that only draws about 85 to
301
00:10:11,519 --> 00:10:15,760
90 watts in our blender stress test
302
00:10:13,360 --> 00:10:16,480
then we have the ryzen 9 3100x which
303
00:10:15,760 --> 00:10:18,399
will be
304
00:10:16,480 --> 00:10:20,560
tested completely stock no overclocking
305
00:10:18,399 --> 00:10:21,040
for that part and no changes made to the
306
00:10:20,560 --> 00:10:23,360
bios
307
00:10:21,040 --> 00:10:24,800
other than loading xmp and i should note
308
00:10:23,360 --> 00:10:26,560
that all motherboards have been tested
309
00:10:24,800 --> 00:10:27,680
with the latest available bios at the
310
00:10:26,560 --> 00:10:30,079
time of testing
311
00:10:27,680 --> 00:10:32,399
the 3100x configuration pushes cpu load
312
00:10:30,079 --> 00:10:34,800
up to 140 watts in our test
313
00:10:32,399 --> 00:10:35,839
then we have the ryzen 9 3950x which has
314
00:10:34,800 --> 00:10:37,839
been tested twice
315
00:10:35,839 --> 00:10:39,200
one stock and then once with a 4.3
316
00:10:37,839 --> 00:10:41,839
gigahertz overclock
317
00:10:39,200 --> 00:10:43,680
using 1.375 volts the stock
318
00:10:41,839 --> 00:10:45,440
configuration again only pushes cpu
319
00:10:43,680 --> 00:10:47,839
usage to around 140 watts
320
00:10:45,440 --> 00:10:49,839
but it does so at a lower stock voltage
321
00:10:47,839 --> 00:10:51,760
so we are pulling slightly more amperage
322
00:10:49,839 --> 00:10:53,360
which will put a little bit more load on
323
00:10:51,760 --> 00:10:55,519
the motherboard's vrm
324
00:10:53,360 --> 00:10:57,200
finally the 4.3 gigahertz configuration
325
00:10:55,519 --> 00:10:58,240
pushes cpu power consumption right to
326
00:10:57,200 --> 00:11:00,560
200 watts
327
00:10:58,240 --> 00:11:02,160
so if this is our most extreme test so
328
00:11:00,560 --> 00:11:03,920
to summarize all testing has been
329
00:11:02,160 --> 00:11:05,200
conducted in a well ventilated case in a
330
00:11:03,920 --> 00:11:07,120
21 degree room
331
00:11:05,200 --> 00:11:08,800
so i consider these conditions to be
332
00:11:07,120 --> 00:11:12,079
best case
333
00:11:08,800 --> 00:11:13,839
okay so starting with the ryzen 7 3700x
334
00:11:12,079 --> 00:11:15,519
results here we find the low operating
335
00:11:13,839 --> 00:11:17,519
temperatures for all eight boards the
336
00:11:15,519 --> 00:11:18,959
msi mortar and asus tough gaming both
337
00:11:17,519 --> 00:11:21,600
peaked at just 40 degrees
338
00:11:18,959 --> 00:11:23,360
while the gaming plus reached 41 degrees
339
00:11:21,600 --> 00:11:26,000
the steel legend 43 degrees
340
00:11:23,360 --> 00:11:27,360
and the oris elite 45 degrees beyond
341
00:11:26,000 --> 00:11:28,000
that though the cheaper boards were
342
00:11:27,360 --> 00:11:30,079
noticeably
343
00:11:28,000 --> 00:11:31,120
hotter especially the gigabyte b550
344
00:11:30,079 --> 00:11:32,959
gaming x
345
00:11:31,120 --> 00:11:36,720
so let's move on to see how they handle
346
00:11:32,959 --> 00:11:38,560
the stock ryzen 9 3900x
347
00:11:36,720 --> 00:11:40,079
here we see that again all eight boards
348
00:11:38,560 --> 00:11:42,079
passed with relative ease
349
00:11:40,079 --> 00:11:44,160
though the gigabyte gaming x and asrock
350
00:11:42,079 --> 00:11:45,519
pro 4 were considerably hotter than the
351
00:11:44,160 --> 00:11:48,079
rest of the boards tested
352
00:11:45,519 --> 00:11:50,639
peaking at over 70 degrees when you
353
00:11:48,079 --> 00:11:52,800
consider the fact that the msi b550a pro
354
00:11:50,639 --> 00:11:54,720
is in the same price range it does make
355
00:11:52,800 --> 00:11:56,800
the gaming x and pro 4 results
356
00:11:54,720 --> 00:11:58,240
all the more disappointing the best
357
00:11:56,800 --> 00:11:58,880
board here in terms of varum thermal
358
00:11:58,240 --> 00:12:01,440
performance
359
00:11:58,880 --> 00:12:03,120
is the msi mortar though it was only 2
360
00:12:01,440 --> 00:12:04,800
degrees cooled in the gaming plus
361
00:12:03,120 --> 00:12:07,600
and really with just 8 degrees
362
00:12:04,800 --> 00:12:09,279
separating the mortar and the b550a pro
363
00:12:07,600 --> 00:12:10,959
the margins between these boards and
364
00:12:09,279 --> 00:12:13,440
then all the boards between them
365
00:12:10,959 --> 00:12:15,600
are fairly insignificant so we have half
366
00:12:13,440 --> 00:12:17,519
a dozen b550 boards delivering excellent
367
00:12:15,600 --> 00:12:19,279
results in this test
368
00:12:17,519 --> 00:12:21,920
and we see that upgrading to the ryzen 9
369
00:12:19,279 --> 00:12:23,760
3950x delivers more of the same
370
00:12:21,920 --> 00:12:25,360
the vrm temps have increased but the
371
00:12:23,760 --> 00:12:27,680
margins remain much the same
372
00:12:25,360 --> 00:12:28,720
the msi b550m mortar is again the best
373
00:12:27,680 --> 00:12:30,800
performer here
374
00:12:28,720 --> 00:12:32,399
again beating the gaming plus by 2
375
00:12:30,800 --> 00:12:34,800
degrees then we have the
376
00:12:32,399 --> 00:12:36,480
tough gaming at 56 degrees the steel
377
00:12:34,800 --> 00:12:39,360
legend at 57 degrees
378
00:12:36,480 --> 00:12:41,839
the b550a pro at 58 degrees and the
379
00:12:39,360 --> 00:12:44,399
aorus elite at 59 degrees so again
380
00:12:41,839 --> 00:12:46,800
very little separating these boards but
381
00:12:44,399 --> 00:12:48,639
again it is the gaming x and pro 4 that
382
00:12:46,800 --> 00:12:50,399
are quite disappointing here
383
00:12:48,639 --> 00:12:51,920
although a peak vrm temperature of
384
00:12:50,399 --> 00:12:52,800
around 80 degrees is perfectly
385
00:12:51,920 --> 00:12:54,399
acceptable
386
00:12:52,800 --> 00:12:55,920
it's still a disappointing result given
387
00:12:54,399 --> 00:12:56,800
that the boards that aren't a great deal
388
00:12:55,920 --> 00:12:59,600
more expensive
389
00:12:56,800 --> 00:13:01,680
yielded much better results finally we
390
00:12:59,600 --> 00:13:02,399
have the ryzen 9 3950x overclocked
391
00:13:01,680 --> 00:13:04,560
results
392
00:13:02,399 --> 00:13:06,160
with the cpu running at 4.3 gigahertz
393
00:13:04,560 --> 00:13:08,639
with 1.375 volts
394
00:13:06,160 --> 00:13:10,800
and the only b550 board to fail this
395
00:13:08,639 --> 00:13:12,720
test was the gigabyte gaming x
396
00:13:10,800 --> 00:13:15,920
throttling the cpu after about 30
397
00:13:12,720 --> 00:13:18,079
minutes the asrock b550 pro 4 also ran
398
00:13:15,920 --> 00:13:20,320
hot but it peaked at 105 degrees and
399
00:13:18,079 --> 00:13:23,200
after an hour it didn't throttle the cpu
400
00:13:20,320 --> 00:13:24,959
so that's at least a pass in our test
401
00:13:23,200 --> 00:13:26,079
the asrock steel legend was again a big
402
00:13:24,959 --> 00:13:27,920
improvement dropping the peak
403
00:13:26,079 --> 00:13:29,839
temperature by almost 20 degrees
404
00:13:27,920 --> 00:13:31,120
then we see a further eight degree drop
405
00:13:29,839 --> 00:13:32,720
with the auras elite
406
00:13:31,120 --> 00:13:34,720
and that point we're under 80 degrees
407
00:13:32,720 --> 00:13:36,320
which is a very easy pass
408
00:13:34,720 --> 00:13:37,760
similar temps were also seen with the
409
00:13:36,320 --> 00:13:40,079
b550a pro
410
00:13:37,760 --> 00:13:42,160
and tough gaming delivering the best
411
00:13:40,079 --> 00:13:42,639
results were once again the msi gaming
412
00:13:42,160 --> 00:13:44,720
plus
413
00:13:42,639 --> 00:13:46,320
and mortar interestingly this time the
414
00:13:44,720 --> 00:13:48,160
gaming plus was able to match the mortar
415
00:13:46,320 --> 00:13:49,839
peaking at just 71 degrees
416
00:13:48,160 --> 00:13:51,279
which is an amazing result given the
417
00:13:49,839 --> 00:13:52,880
conditions
418
00:13:51,279 --> 00:13:54,959
and for those of you wondering under the
419
00:13:52,880 --> 00:13:59,040
exact same test conditions the msi
420
00:13:54,959 --> 00:14:00,880
x570 gaming pro carbon hit 115 degrees
421
00:13:59,040 --> 00:14:02,079
and it throttled the cpu there
422
00:14:00,880 --> 00:14:05,760
essentially failing this
423
00:14:02,079 --> 00:14:07,279
test now here's a look at all the b550
424
00:14:05,760 --> 00:14:10,399
boards we've tested today
425
00:14:07,279 --> 00:14:10,959
along with the b350 and b450 tomahawk
426
00:14:10,399 --> 00:14:12,800
boards
427
00:14:10,959 --> 00:14:15,199
included for reference i'm going to skip
428
00:14:12,800 --> 00:14:16,880
looking over the ryzen 73700x results
429
00:14:15,199 --> 00:14:18,079
again and just start with the ryzen 9
430
00:14:16,880 --> 00:14:20,160
3900x
431
00:14:18,079 --> 00:14:22,560
the only boards to slip into the entry
432
00:14:20,160 --> 00:14:25,760
level range here was the gigabyte b550
433
00:14:22,560 --> 00:14:27,519
gaming x and the asrock b550 pro 4.
434
00:14:25,760 --> 00:14:29,839
the two cheapest boards featured in this
435
00:14:27,519 --> 00:14:32,880
latest roundup keeping that in mind they
436
00:14:29,839 --> 00:14:33,920
still get blown away by the msi b550m
437
00:14:32,880 --> 00:14:35,800
bazooka
438
00:14:33,920 --> 00:14:37,040
and it's a similar story with the ryzen
439
00:14:35,800 --> 00:14:38,880
93950x
440
00:14:37,040 --> 00:14:40,639
though the added load does help the more
441
00:14:38,880 --> 00:14:41,680
expensive boards like the aurus elite
442
00:14:40,639 --> 00:14:43,600
and a pro
443
00:14:41,680 --> 00:14:46,000
to distance themselves from boards like
444
00:14:43,600 --> 00:14:48,800
the b550 and bazooka
445
00:14:46,000 --> 00:14:49,440
then finally with the 3950x overclocked
446
00:14:48,800 --> 00:14:50,880
it's again
447
00:14:49,440 --> 00:14:53,440
more of the same though of course the
448
00:14:50,880 --> 00:14:56,720
gigabyte b550 gaming x did fail this
449
00:14:53,440 --> 00:14:58,880
test along with the msi b350 tomahawk
450
00:14:56,720 --> 00:15:01,519
it is interesting to see that although
451
00:14:58,880 --> 00:15:03,440
boards such as the b550m rs pro and
452
00:15:01,519 --> 00:15:05,440
b550m ds3h
453
00:15:03,440 --> 00:15:07,040
ran even hotter they did avoid
454
00:15:05,440 --> 00:15:08,240
throttling the cpu
455
00:15:07,040 --> 00:15:09,360
though i think it's fair to say given
456
00:15:08,240 --> 00:15:11,040
the high operating temperatures you
457
00:15:09,360 --> 00:15:13,279
could probably fail these boards they're
458
00:15:11,040 --> 00:15:14,800
obviously not ideal candidates for ryzen
459
00:15:13,279 --> 00:15:17,440
9 overclocking
460
00:15:14,800 --> 00:15:20,399
okay so we've now looked at 15 b550
461
00:15:17,440 --> 00:15:22,399
motherboards price between 95 and 160
462
00:15:20,399 --> 00:15:24,160
us and most of the boards tested so far
463
00:15:22,399 --> 00:15:25,279
have been quite good in terms of vrm
464
00:15:24,160 --> 00:15:27,120
thermal performance
465
00:15:25,279 --> 00:15:29,279
with just a few models i recommend you
466
00:15:27,120 --> 00:15:31,279
avoid in the first round up the asus
467
00:15:29,279 --> 00:15:33,279
prime b550ma
468
00:15:31,279 --> 00:15:35,199
that stood out as the only poor quality
469
00:15:33,279 --> 00:15:37,040
board and it failed roc test
470
00:15:35,199 --> 00:15:39,279
it was actually unable to stabilize the
471
00:15:37,040 --> 00:15:41,199
3950x at 4.3 gigahertz
472
00:15:39,279 --> 00:15:43,519
at all with any kind of voltage the
473
00:15:41,199 --> 00:15:47,839
gigabyte b550m auris elite
474
00:15:43,519 --> 00:15:48,639
b550m aura pro and b550m ds3h they were
475
00:15:47,839 --> 00:15:50,320
disappointing
476
00:15:48,639 --> 00:15:52,079
but it is worth noting that outside of
477
00:15:50,320 --> 00:15:54,560
overclocking they were good enough with
478
00:15:52,079 --> 00:15:56,240
the ryzen 9 processors in this latest
479
00:15:54,560 --> 00:15:58,720
round of testing it's really only the
480
00:15:56,240 --> 00:16:00,800
gigabyte b550 gaming x that we recommend
481
00:15:58,720 --> 00:16:02,800
you avoid if you plan on overclocking
482
00:16:00,800 --> 00:16:04,560
for stock usage though it is good enough
483
00:16:02,800 --> 00:16:05,440
providing decent airflow in a reasonably
484
00:16:04,560 --> 00:16:07,279
cool room
485
00:16:05,440 --> 00:16:09,839
and the same really does also apply to
486
00:16:07,279 --> 00:16:12,240
the asrock b550 pro 4.
487
00:16:09,839 --> 00:16:13,279
for those in higher ambient environments
488
00:16:12,240 --> 00:16:15,360
that want to run
489
00:16:13,279 --> 00:16:18,240
stock ryzen 9 processors and core heavy
490
00:16:15,360 --> 00:16:20,000
workloads the msi b550m bazooka is about
491
00:16:18,240 --> 00:16:22,079
as weak as you'll want to go
492
00:16:20,000 --> 00:16:23,600
though in that case i'd suggest the msi
493
00:16:22,079 --> 00:16:26,480
b550a pro
494
00:16:23,600 --> 00:16:29,600
it still costs 140 u.s but it features a
495
00:16:26,480 --> 00:16:31,120
substantially better quality vrm design
496
00:16:29,600 --> 00:16:33,279
on that note for those of you concerned
497
00:16:31,120 --> 00:16:36,160
about vrm temperatures you really can't
498
00:16:33,279 --> 00:16:39,360
go wrong with the msi b550a pro
499
00:16:36,160 --> 00:16:40,959
azrock b550m steel legend the asus tough
500
00:16:39,360 --> 00:16:45,199
gaming b550m plus
501
00:16:40,959 --> 00:16:47,920
msi b550 gaming plus or the msi b550m
502
00:16:45,199 --> 00:16:50,000
mortar those boards were all excellent
503
00:16:47,920 --> 00:16:52,959
and really that does conclude part two
504
00:16:50,000 --> 00:16:54,079
of our b550 varum temperature testing if
505
00:16:52,959 --> 00:16:55,920
you enjoyed this video
506
00:16:54,079 --> 00:16:57,680
please give it a like and if you'd like
507
00:16:55,920 --> 00:16:59,040
to join us over at patreon for some
508
00:16:57,680 --> 00:17:01,279
pretty cool perks behind the scenes
509
00:16:59,040 --> 00:17:02,079
videos monthly live streams discord chat
510
00:17:01,279 --> 00:17:03,360
all that stuff
511
00:17:02,079 --> 00:17:06,160
check it out the link is in the video
512
00:17:03,36
513
00:00:00,990 --> 00:00:07,839
[Music]
514
00:00:05,759 --> 00:00:11,200
welcome back to hardware unboxed
515
00:00:07,839 --> 00:00:13,040
today we've got part two of our b550 vrm
516
00:00:11,200 --> 00:00:14,400
thermal performance investigation
517
00:00:13,040 --> 00:00:16,240
and this time around i'll be looking at
518
00:00:14,400 --> 00:00:19,199
board's price between 140
519
00:00:16,240 --> 00:00:21,520
and 160 dollars us now quite
520
00:00:19,199 --> 00:00:23,760
surprisingly aibs have managed to cram
521
00:00:21,520 --> 00:00:25,039
eight b550 bullets into this price range
522
00:00:23,760 --> 00:00:27,439
we have three from msi
523
00:00:25,039 --> 00:00:28,960
two from gigabyte two from asrock and a
524
00:00:27,439 --> 00:00:31,679
single board from asus
525
00:00:28,960 --> 00:00:32,800
now from asus we have the tough gaming
526
00:00:31,679 --> 00:00:35,840
b550m
527
00:00:32,800 --> 00:00:39,040
plus but they do also offer the prime
528
00:00:35,840 --> 00:00:41,680
b550 plus and that costs 150 us
529
00:00:39,040 --> 00:00:44,160
so technically there are nine b550
530
00:00:41,680 --> 00:00:45,120
boards crammed into this price range but
531
00:00:44,160 --> 00:00:47,120
unfortunately
532
00:00:45,120 --> 00:00:48,559
the prime plus is just not available
533
00:00:47,120 --> 00:00:50,399
here locally in australia
534
00:00:48,559 --> 00:00:52,399
so i wasn't able to purchase it for this
535
00:00:50,399 --> 00:00:54,000
roundup anyway without wasting any time
536
00:00:52,399 --> 00:00:55,760
let's briefly go over each of these
537
00:00:54,000 --> 00:00:57,360
boards we have here on hand
538
00:00:55,760 --> 00:00:59,520
and then of course we will dig into
539
00:00:57,360 --> 00:01:02,559
those vrm thermal results
540
00:00:59,520 --> 00:01:04,000
starting with the msi b550a pro
541
00:01:02,559 --> 00:01:05,680
this is the cheapest board in this
542
00:01:04,000 --> 00:01:07,520
roundup coming in 140
543
00:01:05,680 --> 00:01:09,439
us when compared to the entry level
544
00:01:07,520 --> 00:01:11,200
boards featured in our first round up
545
00:01:09,439 --> 00:01:13,200
there's not a lot extra on offer here in
546
00:01:11,200 --> 00:01:15,920
terms of features like usb ports
547
00:01:13,200 --> 00:01:17,759
m.2 slots and so on the i o panel for
548
00:01:15,920 --> 00:01:21,280
example features just four usb
549
00:01:17,759 --> 00:01:23,520
3.2 spec ports with four usb 2.2 ports
550
00:01:21,280 --> 00:01:23,920
though there is support for usb 3.2 type
551
00:01:23,520 --> 00:01:26,720
c
552
00:01:23,920 --> 00:01:28,560
at the front where the b550a pro is a
553
00:01:26,720 --> 00:01:29,200
significant upgrade over the entry-level
554
00:01:28,560 --> 00:01:32,720
boards
555
00:01:29,200 --> 00:01:35,920
is in its vrm offering a 10-phase v-core
556
00:01:32,720 --> 00:01:37,600
from the ir35201 controller msi takes
557
00:01:35,920 --> 00:01:40,560
five signals each of which is then
558
00:01:37,600 --> 00:01:42,560
doubled using an ir3598 phase doubler
559
00:01:40,560 --> 00:01:45,520
each of the 10 phases is driven by an on
560
00:01:42,560 --> 00:01:49,040
semi 4c029n fit
561
00:01:45,520 --> 00:01:50,560
on the high side with an on semi4c024n
562
00:01:49,040 --> 00:01:52,320
fit on the low side
563
00:01:50,560 --> 00:01:54,000
and these are the same mosfets used by
564
00:01:52,320 --> 00:01:58,560
the b450 tomahawk the
565
00:01:54,000 --> 00:02:00,399
b550 pro vdh wi-fi and the b550m bazooka
566
00:01:58,560 --> 00:02:02,399
there's just two more sets of them and
567
00:02:00,399 --> 00:02:03,520
each phase feeds into its own dedicated
568
00:02:02,399 --> 00:02:05,119
inductor
569
00:02:03,520 --> 00:02:07,680
so in terms of thermal performance the
570
00:02:05,119 --> 00:02:09,840
b550a pro should have a big advantage
571
00:02:07,680 --> 00:02:12,319
over those boards just mentioned
572
00:02:09,840 --> 00:02:13,680
now the last msi gaming plus motherboard
573
00:02:12,319 --> 00:02:14,959
that i looked at supporting ryzen
574
00:02:13,680 --> 00:02:18,000
processors was the
575
00:02:14,959 --> 00:02:20,879
x570 gaming plus which cost 170
576
00:02:18,000 --> 00:02:21,680
us and was pretty awful in terms of vrm
577
00:02:20,879 --> 00:02:23,440
quality
578
00:02:21,680 --> 00:02:25,599
at least given the price and the fact
579
00:02:23,440 --> 00:02:26,400
that the board donned a flagship am4
580
00:02:25,599 --> 00:02:27,920
chipset
581
00:02:26,400 --> 00:02:29,840
it was really the kind of vrm
582
00:02:27,920 --> 00:02:31,920
configuration to expect to find on an
583
00:02:29,840 --> 00:02:34,959
entry level b series board
584
00:02:31,920 --> 00:02:38,000
and proving that point is the 150
585
00:02:34,959 --> 00:02:39,360
b550 gaming plus which takes the x 570
586
00:02:38,000 --> 00:02:42,800
gaming plus vrm
587
00:02:39,360 --> 00:02:44,720
and expands its capacity by 25 msi is
588
00:02:42,800 --> 00:02:45,519
now taking five signals from the pwm
589
00:02:44,720 --> 00:02:47,519
controller
590
00:02:45,519 --> 00:02:49,680
and this means there are two extra sets
591
00:02:47,519 --> 00:02:51,200
of mosfets the components themselves are
592
00:02:49,680 --> 00:02:51,840
still the same we're just getting more
593
00:02:51,200 --> 00:02:54,080
of them
594
00:02:51,840 --> 00:02:54,959
on a more affordable motherboard as for
595
00:02:54,080 --> 00:02:57,360
the rest of the board
596
00:02:54,959 --> 00:02:59,200
it's pretty standard though for just 10
597
00:02:57,360 --> 00:03:01,519
more over the b550a
598
00:02:59,200 --> 00:03:03,680
pro you get a few nice features that
599
00:03:01,519 --> 00:03:05,440
extend beyond just the larger vrm
600
00:03:03,680 --> 00:03:07,920
the pre-installed io shield is a nice
601
00:03:05,440 --> 00:03:09,360
touch as are the larger heat sinks
602
00:03:07,920 --> 00:03:12,080
but other than that it is essentially
603
00:03:09,360 --> 00:03:15,599
the same board then for 10 dollars more
604
00:03:12,080 --> 00:03:18,080
msi offers the b550m mortar at 160
605
00:03:15,599 --> 00:03:20,480
us which i like to think of as kind of
606
00:03:18,080 --> 00:03:21,360
the micro atx version of the b550
607
00:03:20,480 --> 00:03:23,519
tomahawk
608
00:03:21,360 --> 00:03:25,680
in terms of vcore vrm design it is a
609
00:03:23,519 --> 00:03:27,760
step up from the previous two msi models
610
00:03:25,680 --> 00:03:32,319
as it moves away from discrete mosfets
611
00:03:27,760 --> 00:03:33,920
by using 8 isl 9936060 amp power stages
612
00:03:32,319 --> 00:03:35,680
it is worth noting that although there
613
00:03:33,920 --> 00:03:36,640
are eight power stages the board only
614
00:03:35,680 --> 00:03:38,799
features a four
615
00:03:36,640 --> 00:03:40,159
phase v core as msi is doubling the
616
00:03:38,799 --> 00:03:41,599
components per phase
617
00:03:40,159 --> 00:03:43,120
rather than doubling the phases
618
00:03:41,599 --> 00:03:45,040
themselves and this is something we've
619
00:03:43,120 --> 00:03:46,799
seen asus do for years now
620
00:03:45,040 --> 00:03:48,319
we've seen good things from these 60 amp
621
00:03:46,799 --> 00:03:50,159
power stages in the past so i am
622
00:03:48,319 --> 00:03:52,319
expecting good things from the mortar
623
00:03:50,159 --> 00:03:55,120
especially relative to the competing
624
00:03:52,319 --> 00:03:57,120
boards when compared to the b550 gaming
625
00:03:55,120 --> 00:03:58,400
plus the mortar drops two usb ports from
626
00:03:57,120 --> 00:04:00,400
the io panel which
627
00:03:58,400 --> 00:04:02,239
i do find a bit disappointing there is
628
00:04:00,400 --> 00:04:03,760
really no reason for msi to remove those
629
00:04:02,239 --> 00:04:04,640
ports so i would have rather seen them
630
00:04:03,760 --> 00:04:06,319
remain
631
00:04:04,640 --> 00:04:08,080
but other than that despite the m80x
632
00:04:06,319 --> 00:04:09,200
design they are very similar in terms of
633
00:04:08,080 --> 00:04:11,439
features
634
00:04:09,200 --> 00:04:13,519
moving onto gigabyte we have the gaming
635
00:04:11,439 --> 00:04:16,160
x and this is another 140
636
00:04:13,519 --> 00:04:19,040
standard atx b550 motherboard and like
637
00:04:16,160 --> 00:04:22,240
its direct competitor the msi b550a pro
638
00:04:19,040 --> 00:04:24,240
it also features a 10 phase v core vrm
639
00:04:22,240 --> 00:04:26,560
however gigabytes opted for lower
640
00:04:24,240 --> 00:04:28,960
quality on semiconductor fets
641
00:04:26,560 --> 00:04:31,040
so i'm not too confident in this board
642
00:04:28,960 --> 00:04:31,919
the heatsinks are also very basic it has
643
00:04:31,040 --> 00:04:33,840
to be said
644
00:04:31,919 --> 00:04:36,639
so it will be interesting to see how the
645
00:04:33,840 --> 00:04:39,360
gaming x handles the ryzen 9 processors
646
00:04:36,639 --> 00:04:41,199
as for board features it is super basic
647
00:04:39,360 --> 00:04:42,000
there's far fewer connectivity options
648
00:04:41,199 --> 00:04:45,199
on the i o panel
649
00:04:42,000 --> 00:04:47,280
when compared to say the msi b550a pro
650
00:04:45,199 --> 00:04:48,479
the audio has been simplified there's no
651
00:04:47,280 --> 00:04:51,199
usb type-c
652
00:04:48,479 --> 00:04:52,720
and there's also two less usb ports and
653
00:04:51,199 --> 00:04:55,440
then there's also no usb
654
00:04:52,720 --> 00:04:57,280
type-c front panel support either no m.2
655
00:04:55,440 --> 00:04:58,960
shield and then just four sided six
656
00:04:57,280 --> 00:05:01,360
gigabits per second ports
657
00:04:58,960 --> 00:05:02,479
but the i o shield is pre-installed so
658
00:05:01,360 --> 00:05:04,000
there is that
659
00:05:02,479 --> 00:05:07,120
still when compared to the equally
660
00:05:04,000 --> 00:05:09,120
priced msi b550a pro the gigabyte b550
661
00:05:07,120 --> 00:05:11,440
gaming x does appear to be the inferior
662
00:05:09,120 --> 00:05:13,280
product at least on paper
663
00:05:11,440 --> 00:05:15,360
stepping things up a notch for gigabyte
664
00:05:13,280 --> 00:05:18,639
is their b550 aorus pro
665
00:05:15,360 --> 00:05:20,400
which comes in at 160 us making it 20
666
00:05:18,639 --> 00:05:21,919
dollars more than the gaming x model
667
00:05:20,400 --> 00:05:24,720
and for that small price premium the
668
00:05:21,919 --> 00:05:26,800
aorus pros vrm is significantly improved
669
00:05:24,720 --> 00:05:28,479
the 12-phase v-core takes half a dozen
670
00:05:26,800 --> 00:05:31,440
signals from the pwm controller
671
00:05:28,479 --> 00:05:33,440
and doubles them using isl 6617a phase
672
00:05:31,440 --> 00:05:37,680
doublers each of which feeds into a
673
00:05:33,440 --> 00:05:39,280
vichai sic-651c50 amp power stage
674
00:05:37,680 --> 00:05:41,360
the heat sinks cooling these power
675
00:05:39,280 --> 00:05:42,800
stages aren't particularly impressive
676
00:05:41,360 --> 00:05:44,800
but regardless of that i'm still
677
00:05:42,800 --> 00:05:46,720
expecting good things from this board
678
00:05:44,800 --> 00:05:48,479
moving past the vrm the rest of the
679
00:05:46,720 --> 00:05:48,800
board design and feature set is quite
680
00:05:48,479 --> 00:05:50,720
good
681
00:05:48,800 --> 00:05:53,120
the i o panel configuration for example
682
00:05:50,720 --> 00:05:53,680
is similar to that of msi's b550 gaming
683
00:05:53,120 --> 00:05:56,319
plus
684
00:05:53,680 --> 00:05:57,360
but here you're also getting 2.5 gigabit
685
00:05:56,319 --> 00:05:59,280
lan support
686
00:05:57,360 --> 00:06:01,759
the audio codec has also been upgraded
687
00:05:59,280 --> 00:06:03,199
slightly to realtek's alc 1200 with high
688
00:06:01,759 --> 00:06:05,360
quality capacitors
689
00:06:03,199 --> 00:06:07,120
the only downgrade here is the inclusion
690
00:06:05,360 --> 00:06:08,880
of just four sata ports but still
691
00:06:07,120 --> 00:06:10,720
overall a good looking board and i am
692
00:06:08,880 --> 00:06:13,000
keen to see how it performs
693
00:06:10,720 --> 00:06:14,160
next up we have the asus tough gaming
694
00:06:13,000 --> 00:06:17,360
b550m
695
00:06:14,160 --> 00:06:19,360
plus which comes in at 160 us though for
696
00:06:17,360 --> 00:06:20,639
ten dollars more you can get a standard
697
00:06:19,360 --> 00:06:22,880
atx version
698
00:06:20,639 --> 00:06:24,800
which features the exact same vrm and
699
00:06:22,880 --> 00:06:25,759
the same heat sinks so in terms of vrm
700
00:06:24,800 --> 00:06:28,080
thermal performance
701
00:06:25,759 --> 00:06:30,400
the micro atx and standard atx versions
702
00:06:28,080 --> 00:06:32,240
of this board should be exactly the same
703
00:06:30,400 --> 00:06:34,880
and for this one asus has gone with a
704
00:06:32,240 --> 00:06:38,080
very basic v core vrm design much like
705
00:06:34,880 --> 00:06:40,319
what we saw with the msi b550m mortar
706
00:06:38,080 --> 00:06:41,120
it's a four phase design using doubled
707
00:06:40,319 --> 00:06:43,919
up components
708
00:06:41,120 --> 00:06:46,400
so each phase consists of two vichai sic
709
00:06:43,919 --> 00:06:48,160
63 950 amp power stages
710
00:06:46,400 --> 00:06:50,160
then cooling all the varium components
711
00:06:48,160 --> 00:06:50,960
are two reasonably large aluminium heat
712
00:06:50,160 --> 00:06:53,440
sinks
713
00:06:50,960 --> 00:06:54,560
so while the vrm certainly looks solid
714
00:06:53,440 --> 00:06:56,800
the rest of the board
715
00:06:54,560 --> 00:06:58,639
if i'm honest is pretty basic given the
716
00:06:56,800 --> 00:06:59,280
price there's no pre-installed i o
717
00:06:58,639 --> 00:07:01,919
shield
718
00:06:59,280 --> 00:07:02,960
and the i o panel itself offers a fairly
719
00:07:01,919 --> 00:07:05,039
typical
720
00:07:02,960 --> 00:07:06,000
array of connectivity for example there
721
00:07:05,039 --> 00:07:10,720
are 4 usb
722
00:07:06,000 --> 00:07:14,560
3.2 gen1 ports 2 usb 3.2 gen 2 ports and
723
00:07:10,720 --> 00:07:16,560
2 usb 2.0 ports asus has included 2.5
724
00:07:14,560 --> 00:07:18,240
gigabit lan support so that's nice
725
00:07:16,560 --> 00:07:20,639
but on board the rest of the features
726
00:07:18,240 --> 00:07:21,280
pretty standard and again no front usb
727
00:07:20,639 --> 00:07:23,680
type c
728
00:07:21,280 --> 00:07:26,400
and just four sata ports the cheapest
729
00:07:23,680 --> 00:07:27,280
board in this roundup is the asrock b550
730
00:07:26,400 --> 00:07:28,880
pro 4
731
00:07:27,280 --> 00:07:31,919
though it is just five dollars less than
732
00:07:28,880 --> 00:07:32,880
the msi b550a pro and gigabyte b550
733
00:07:31,919 --> 00:07:35,199
gaming x
734
00:07:32,880 --> 00:07:37,919
in terms of vrm design and cooling it is
735
00:07:35,199 --> 00:07:39,840
100 identical to the micro hx version we
736
00:07:37,919 --> 00:07:42,400
looked at in the previous roundup
737
00:07:39,840 --> 00:07:44,080
so it's not amazing but it should be
738
00:07:42,400 --> 00:07:45,680
good enough given the price and what
739
00:07:44,080 --> 00:07:46,319
we're looking at here is a six-phase
740
00:07:45,680 --> 00:07:48,800
v-core
741
00:07:46,319 --> 00:07:53,039
using phase doublers each phase features
742
00:07:48,800 --> 00:07:56,720
a cinopower sm4337 fit on the high side
743
00:07:53,039 --> 00:07:57,280
with a sinopower sm4336 fit on the low
744
00:07:56,720 --> 00:07:59,599
side
745
00:07:57,280 --> 00:08:00,400
feeding into a single inductor it's
746
00:07:59,599 --> 00:08:02,879
without question
747
00:08:00,400 --> 00:08:04,800
the weakest v-core vrm of this round up
748
00:08:02,879 --> 00:08:07,520
but it's also the cheapest board
749
00:08:04,800 --> 00:08:08,560
then finally we have the asrock b550m
750
00:08:07,520 --> 00:08:11,599
steel legend
751
00:08:08,560 --> 00:08:13,520
which steps up to 155 us and for that
752
00:08:11,599 --> 00:08:15,919
extra twenty dollars you get a seriously
753
00:08:13,520 --> 00:08:17,759
big upgrade in terms of vrm quality
754
00:08:15,919 --> 00:08:20,240
this time asrock has built an eight
755
00:08:17,759 --> 00:08:21,599
phase vrm using phase doublers but more
756
00:08:20,240 --> 00:08:23,680
crucially they've dropped the cheap
757
00:08:21,599 --> 00:08:24,960
cinepower discrete fets in favor of the
758
00:08:23,680 --> 00:08:28,160
shades sic
759
00:08:24,960 --> 00:08:29,360
654 50 amp power stages radically
760
00:08:28,160 --> 00:08:30,800
enhancing the board's current
761
00:08:29,360 --> 00:08:32,959
capabilities
762
00:08:30,800 --> 00:08:36,000
the b550m steel legend is really a
763
00:08:32,959 --> 00:08:37,599
direct competitor to msi's b550m mortar
764
00:08:36,000 --> 00:08:40,159
and in terms of features it is quite
765
00:08:37,599 --> 00:08:41,200
good offering half a dozen usb 3.2 ports
766
00:08:40,159 --> 00:08:44,000
on the i o panel
767
00:08:41,200 --> 00:08:47,040
along with two usb 2 ports and like the
768
00:08:44,000 --> 00:08:48,240
mortar 2.5 gigabit land is also on offer
769
00:08:47,040 --> 00:08:50,240
the rest of the features are very
770
00:08:48,240 --> 00:08:51,920
similar across the two boards so the key
771
00:08:50,240 --> 00:08:54,480
determining factor here could be
772
00:08:51,920 --> 00:08:55,920
vrm performance but before we get to the
773
00:08:54,480 --> 00:08:57,600
graphs let's talk about the test
774
00:08:55,920 --> 00:08:59,839
conditions for this testing and any
775
00:08:57,600 --> 00:09:01,279
future am4 vr and thermal testing i've
776
00:08:59,839 --> 00:09:02,240
built a dedicated system with the help
777
00:09:01,279 --> 00:09:04,399
of corsair
778
00:09:02,240 --> 00:09:05,959
who sent over their obsidian series 500d
779
00:09:04,399 --> 00:09:09,760
mid tower case
780
00:09:05,959 --> 00:09:12,560
rm850x power supply iq h150i
781
00:09:09,760 --> 00:09:15,040
rgb pro xt all in one liquid cooler and
782
00:09:12,560 --> 00:09:17,200
32 gigabytes of their vengeance rgb pro
783
00:09:15,040 --> 00:09:19,120
ddr4 3200 memory
784
00:09:17,200 --> 00:09:20,959
the obsidian 500d has been configured
785
00:09:19,120 --> 00:09:22,000
with a single rear 120 millimeter
786
00:09:20,959 --> 00:09:24,160
exhaust fan and then
787
00:09:22,000 --> 00:09:25,920
two top mounted 140 millimeter exhaust
788
00:09:24,160 --> 00:09:27,680
fans then in the front of the case we
789
00:09:25,920 --> 00:09:31,519
have the h150i
790
00:09:27,680 --> 00:09:32,959
360 millimeter radiator with three 120
791
00:09:31,519 --> 00:09:34,560
millimeter intake fans
792
00:09:32,959 --> 00:09:36,640
this is a pretty standard configuration
793
00:09:34,560 --> 00:09:39,040
at least for a higher end system
794
00:09:36,640 --> 00:09:41,200
the airflow is good and in a 21 degree
795
00:09:39,040 --> 00:09:42,720
room i'd say this is an optimal setup
796
00:09:41,200 --> 00:09:44,160
for recording temperatures i'm using a
797
00:09:42,720 --> 00:09:45,279
digital thermometer with k-type
798
00:09:44,160 --> 00:09:47,440
thermocouples
799
00:09:45,279 --> 00:09:48,480
and i'll be reporting the peak rear pcb
800
00:09:47,440 --> 00:09:50,320
temperature
801
00:09:48,480 --> 00:09:51,680
finally i'm not reporting delta t over
802
00:09:50,320 --> 00:09:53,200
ambient and today maintain a room
803
00:09:51,680 --> 00:09:54,720
temperature of 21 degrees
804
00:09:53,200 --> 00:09:56,959
and to ensure a consistent ambient
805
00:09:54,720 --> 00:09:58,480
temperature a thermocouple is positioned
806
00:09:56,959 --> 00:10:00,000
next to the test system
807
00:09:58,480 --> 00:10:01,839
now for this testing we have four
808
00:10:00,000 --> 00:10:03,120
configurations using three different
809
00:10:01,839 --> 00:10:05,120
ryzen processors
810
00:10:03,120 --> 00:10:06,399
the base configuration which every board
811
00:10:05,120 --> 00:10:09,440
should pass with ease
812
00:10:06,399 --> 00:10:11,519
sees us use the ryzen 7 3700x it's a low
813
00:10:09,440 --> 00:10:13,360
powered part that only draws about 85 to
814
00:10:11,519 --> 00:10:15,760
90 watts in our blender stress test
815
00:10:13,360 --> 00:10:16,480
then we have the ryzen 9 3100x which
816
00:10:15,760 --> 00:10:18,399
will be
817
00:10:16,480 --> 00:10:20,560
tested completely stock no overclocking
818
00:10:18,399 --> 00:10:21,040
for that part and no changes made to the
819
00:10:20,560 --> 00:10:23,360
bios
820
00:10:21,040 --> 00:10:24,800
other than loading xmp and i should note
821
00:10:23,360 --> 00:10:26,560
that all motherboards have been tested
822
00:10:24,800 --> 00:10:27,680
with the latest available bios at the
823
00:10:26,560 --> 00:10:30,079
time of testing
824
00:10:27,680 --> 00:10:32,399
the 3100x configuration pushes cpu load
825
00:10:30,079 --> 00:10:34,800
up to 140 watts in our test
826
00:10:32,399 --> 00:10:35,839
then we have the ryzen 9 3950x which has
827
00:10:34,800 --> 00:10:37,839
been tested twice
828
00:10:35,839 --> 00:10:39,200
one stock and then once with a 4.3
829
00:10:37,839 --> 00:10:41,839
gigahertz overclock
830
00:10:39,200 --> 00:10:43,680
using 1.375 volts the stock
831
00:10:41,839 --> 00:10:45,440
configuration again only pushes cpu
832
00:10:43,680 --> 00:10:47,839
usage to around 140 watts
833
00:10:45,440 --> 00:10:49,839
but it does so at a lower stock voltage
834
00:10:47,839 --> 00:10:51,760
so we are pulling slightly more amperage
835
00:10:49,839 --> 00:10:53,360
which will put a little bit more load on
836
00:10:51,760 --> 00:10:55,519
the motherboard's vrm
837
00:10:53,360 --> 00:10:57,200
finally the 4.3 gigahertz configuration
838
00:10:55,519 --> 00:10:58,240
pushes cpu power consumption right to
839
00:10:57,200 --> 00:11:00,560
200 watts
840
00:10:58,240 --> 00:11:02,160
so if this is our most extreme test so
841
00:11:00,560 --> 00:11:03,920
to summarize all testing has been
842
00:11:02,160 --> 00:11:05,200
conducted in a well ventilated case in a
843
00:11:03,920 --> 00:11:07,120
21 degree room
844
00:11:05,200 --> 00:11:08,800
so i consider these conditions to be
845
00:11:07,120 --> 00:11:12,079
best case
846
00:11:08,800 --> 00:11:13,839
okay so starting with the ryzen 7 3700x
847
00:11:12,079 --> 00:11:15,519
results here we find the low operating
848
00:11:13,839 --> 00:11:17,519
temperatures for all eight boards the
849
00:11:15,519 --> 00:11:18,959
msi mortar and asus tough gaming both
850
00:11:17,519 --> 00:11:21,600
peaked at just 40 degrees
851
00:11:18,959 --> 00:11:23,360
while the gaming plus reached 41 degrees
852
00:11:21,600 --> 00:11:26,000
the steel legend 43 degrees
853
00:11:23,360 --> 00:11:27,360
and the oris elite 45 degrees beyond
854
00:11:26,000 --> 00:11:28,000
that though the cheaper boards were
855
00:11:27,360 --> 00:11:30,079
noticeably
856
00:11:28,000 --> 00:11:31,120
hotter especially the gigabyte b550
857
00:11:30,079 --> 00:11:32,959
gaming x
858
00:11:31,120 --> 00:11:36,720
so let's move on to see how they handle
859
00:11:32,959 --> 00:11:38,560
the stock ryzen 9 3900x
860
00:11:36,720 --> 00:11:40,079
here we see that again all eight boards
861
00:11:38,560 --> 00:11:42,079
passed with relative ease
862
00:11:40,079 --> 00:11:44,160
though the gigabyte gaming x and asrock
863
00:11:42,079 --> 00:11:45,519
pro 4 were considerably hotter than the
864
00:11:44,160 --> 00:11:48,079
rest of the boards tested
865
00:11:45,519 --> 00:11:50,639
peaking at over 70 degrees when you
866
00:11:48,079 --> 00:11:52,800
consider the fact that the msi b550a pro
867
00:11:50,639 --> 00:11:54,720
is in the same price range it does make
868
00:11:52,800 --> 00:11:56,800
the gaming x and pro 4 results
869
00:11:54,720 --> 00:11:58,240
all the more disappointing the best
870
00:11:56,800 --> 00:11:58,880
board here in terms of varum thermal
871
00:11:58,240 --> 00:12:01,440
performance
872
00:11:58,880 --> 00:12:03,120
is the msi mortar though it was only 2
873
00:12:01,440 --> 00:12:04,800
degrees cooled in the gaming plus
874
00:12:03,120 --> 00:12:07,600
and really with just 8 degrees
875
00:12:04,800 --> 00:12:09,279
separating the mortar and the b550a pro
876
00:12:07,600 --> 00:12:10,959
the margins between these boards and
877
00:12:09,279 --> 00:12:13,440
then all the boards between them
878
00:12:10,959 --> 00:12:15,600
are fairly insignificant so we have half
879
00:12:13,440 --> 00:12:17,519
a dozen b550 boards delivering excellent
880
00:12:15,600 --> 00:12:19,279
results in this test
881
00:12:17,519 --> 00:12:21,920
and we see that upgrading to the ryzen 9
882
00:12:19,279 --> 00:12:23,760
3950x delivers more of the same
883
00:12:21,920 --> 00:12:25,360
the vrm temps have increased but the
884
00:12:23,760 --> 00:12:27,680
margins remain much the same
885
00:12:25,360 --> 00:12:28,720
the msi b550m mortar is again the best
886
00:12:27,680 --> 00:12:30,800
performer here
887
00:12:28,720 --> 00:12:32,399
again beating the gaming plus by 2
888
00:12:30,800 --> 00:12:34,800
degrees then we have the
889
00:12:32,399 --> 00:12:36,480
tough gaming at 56 degrees the steel
890
00:12:34,800 --> 00:12:39,360
legend at 57 degrees
891
00:12:36,480 --> 00:12:41,839
the b550a pro at 58 degrees and the
892
00:12:39,360 --> 00:12:44,399
aorus elite at 59 degrees so again
893
00:12:41,839 --> 00:12:46,800
very little separating these boards but
894
00:12:44,399 --> 00:12:48,639
again it is the gaming x and pro 4 that
895
00:12:46,800 --> 00:12:50,399
are quite disappointing here
896
00:12:48,639 --> 00:12:51,920
although a peak vrm temperature of
897
00:12:50,399 --> 00:12:52,800
around 80 degrees is perfectly
898
00:12:51,920 --> 00:12:54,399
acceptable
899
00:12:52,800 --> 00:12:55,920
it's still a disappointing result given
900
00:12:54,399 --> 00:12:56,800
that the boards that aren't a great deal
901
00:12:55,920 --> 00:12:59,600
more expensive
902
00:12:56,800 --> 00:13:01,680
yielded much better results finally we
903
00:12:59,600 --> 00:13:02,399
have the ryzen 9 3950x overclocked
904
00:13:01,680 --> 00:13:04,560
results
905
00:13:02,399 --> 00:13:06,160
with the cpu running at 4.3 gigahertz
906
00:13:04,560 --> 00:13:08,639
with 1.375 volts
907
00:13:06,160 --> 00:13:10,800
and the only b550 board to fail this
908
00:13:08,639 --> 00:13:12,720
test was the gigabyte gaming x
909
00:13:10,800 --> 00:13:15,920
throttling the cpu after about 30
910
00:13:12,720 --> 00:13:18,079
minutes the asrock b550 pro 4 also ran
911
00:13:15,920 --> 00:13:20,320
hot but it peaked at 105 degrees and
912
00:13:18,079 --> 00:13:23,200
after an hour it didn't throttle the cpu
913
00:13:20,320 --> 00:13:24,959
so that's at least a pass in our test
914
00:13:23,200 --> 00:13:26,079
the asrock steel legend was again a big
915
00:13:24,959 --> 00:13:27,920
improvement dropping the peak
916
00:13:26,079 --> 00:13:29,839
temperature by almost 20 degrees
917
00:13:27,920 --> 00:13:31,120
then we see a further eight degree drop
918
00:13:29,839 --> 00:13:32,720
with the auras elite
919
00:13:31,120 --> 00:13:34,720
and that point we're under 80 degrees
920
00:13:32,720 --> 00:13:36,320
which is a very easy pass
921
00:13:34,720 --> 00:13:37,760
similar temps were also seen with the
922
00:13:36,320 --> 00:13:40,079
b550a pro
923
00:13:37,760 --> 00:13:42,160
and tough gaming delivering the best
924
00:13:40,079 --> 00:13:42,639
results were once again the msi gaming
925
00:13:42,160 --> 00:13:44,720
plus
926
00:13:42,639 --> 00:13:46,320
and mortar interestingly this time the
927
00:13:44,720 --> 00:13:48,160
gaming plus was able to match the mortar
928
00:13:46,320 --> 00:13:49,839
peaking at just 71 degrees
929
00:13:48,160 --> 00:13:51,279
which is an amazing result given the
930
00:13:49,839 --> 00:13:52,880
conditions
931
00:13:51,279 --> 00:13:54,959
and for those of you wondering under the
932
00:13:52,880 --> 00:13:59,040
exact same test conditions the msi
933
00:13:54,959 --> 00:14:00,880
x570 gaming pro carbon hit 115 degrees
934
00:13:59,040 --> 00:14:02,079
and it throttled the cpu there
935
00:14:00,880 --> 00:14:05,760
essentially failing this
936
00:14:02,079 --> 00:14:07,279
test now here's a look at all the b550
937
00:14:05,760 --> 00:14:10,399
boards we've tested today
938
00:14:07,279 --> 00:14:10,959
along with the b350 and b450 tomahawk
939
00:14:10,399 --> 00:14:12,800
boards
940
00:14:10,959 --> 00:14:15,199
included for reference i'm going to skip
941
00:14:12,800 --> 00:14:16,880
looking over the ryzen 73700x results
942
00:14:15,199 --> 00:14:18,079
again and just start with the ryzen 9
943
00:14:16,880 --> 00:14:20,160
3900x
944
00:14:18,079 --> 00:14:22,560
the only boards to slip into the entry
945
00:14:20,160 --> 00:14:25,760
level range here was the gigabyte b550
946
00:14:22,560 --> 00:14:27,519
gaming x and the asrock b550 pro 4.
947
00:14:25,760 --> 00:14:29,839
the two cheapest boards featured in this
948
00:14:27,519 --> 00:14:32,880
latest roundup keeping that in mind they
949
00:14:29,839 --> 00:14:33,920
still get blown away by the msi b550m
950
00:14:32,880 --> 00:14:35,800
bazooka
951
00:14:33,920 --> 00:14:37,040
and it's a similar story with the ryzen
952
00:14:35,800 --> 00:14:38,880
93950x
953
00:14:37,040 --> 00:14:40,639
though the added load does help the more
954
00:14:38,880 --> 00:14:41,680
expensive boards like the aurus elite
955
00:14:40,639 --> 00:14:43,600
and a pro
956
00:14:41,680 --> 00:14:46,000
to distance themselves from boards like
957
00:14:43,600 --> 00:14:48,800
the b550 and bazooka
958
00:14:46,000 --> 00:14:49,440
then finally with the 3950x overclocked
959
00:14:48,800 --> 00:14:50,880
it's again
960
00:14:49,440 --> 00:14:53,440
more of the same though of course the
961
00:14:50,880 --> 00:14:56,720
gigabyte b550 gaming x did fail this
962
00:14:53,440 --> 00:14:58,880
test along with the msi b350 tomahawk
963
00:14:56,720 --> 00:15:01,519
it is interesting to see that although
964
00:14:58,880 --> 00:15:03,440
boards such as the b550m rs pro and
965
00:15:01,519 --> 00:15:05,440
b550m ds3h
966
00:15:03,440 --> 00:15:07,040
ran even hotter they did avoid
967
00:15:05,440 --> 00:15:08,240
throttling the cpu
968
00:15:07,040 --> 00:15:09,360
though i think it's fair to say given
969
00:15:08,240 --> 00:15:11,040
the high operating temperatures you
970
00:15:09,360 --> 00:15:13,279
could probably fail these boards they're
971
00:15:11,040 --> 00:15:14,800
obviously not ideal candidates for ryzen
972
00:15:13,279 --> 00:15:17,440
9 overclocking
973
00:15:14,800 --> 00:15:20,399
okay so we've now looked at 15 b550
974
00:15:17,440 --> 00:15:22,399
motherboards price between 95 and 160
975
00:15:20,399 --> 00:15:24,160
us and most of the boards tested so far
976
00:15:22,399 --> 00:15:25,279
have been quite good in terms of vrm
977
00:15:24,160 --> 00:15:27,120
thermal performance
978
00:15:25,279 --> 00:15:29,279
with just a few models i recommend you
979
00:15:27,120 --> 00:15:31,279
avoid in the first round up the asus
980
00:15:29,279 --> 00:15:33,279
prime b550ma
981
00:15:31,279 --> 00:15:35,199
that stood out as the only poor quality
982
00:15:33,279 --> 00:15:37,040
board and it failed roc test
983
00:15:35,199 --> 00:15:39,279
it was actually unable to stabilize the
984
00:15:37,040 --> 00:15:41,199
3950x at 4.3 gigahertz
985
00:15:39,279 --> 00:15:43,519
at all with any kind of voltage the
986
00:15:41,199 --> 00:15:47,839
gigabyte b550m auris elite
987
00:15:43,519 --> 00:15:48,639
b550m aura pro and b550m ds3h they were
988
00:15:47,839 --> 00:15:50,320
disappointing
989
00:15:48,639 --> 00:15:52,079
but it is worth noting that outside of
990
00:15:50,320 --> 00:15:54,560
overclocking they were good enough with
991
00:15:52,079 --> 00:15:56,240
the ryzen 9 processors in this latest
992
00:15:54,560 --> 00:15:58,720
round of testing it's really only the
993
00:15:56,240 --> 00:16:00,800
gigabyte b550 gaming x that we recommend
994
00:15:58,720 --> 00:16:02,800
you avoid if you plan on overclocking
995
00:16:00,800 --> 00:16:04,560
for stock usage though it is good enough
996
00:16:02,800 --> 00:16:05,440
providing decent airflow in a reasonably
997
00:16:04,560 --> 00:16:07,279
cool room
998
00:16:05,440 --> 00:16:09,839
and the same really does also apply to
999
00:16:07,279 --> 00:16:12,240
the asrock b550 pro 4.
1000
00:16:09,839 --> 00:16:13,279
for those in higher ambient environments
1001
00:16:12,240 --> 00:16:15,360
that want to run
1002
00:16:13,279 --> 00:16:18,240
stock ryzen 9 processors and core heavy
1003
00:16:15,360 --> 00:16:20,000
workloads the msi b550m bazooka is about
1004
00:16:18,240 --> 00:16:22,079
as weak as you'll want to go
1005
00:16:20,000 --> 00:16:23,600
though in that case i'd suggest the msi
1006
00:16:22,079 --> 00:16:26,480
b550a pro
1007
00:16:23,600 --> 00:16:29,600
it still costs 140 u.s but it features a
1008
00:16:26,480 --> 00:16:31,120
substantially better quality vrm design
1009
00:16:29,600 --> 00:16:33,279
on that note for those of you concerned
1010
00:16:31,120 --> 00:16:36,160
about vrm temperatures you really can't
1011
00:16:33,279 --> 00:16:39,360
go wrong with the msi b550a pro
1012
00:16:36,160 --> 00:16:40,959
azrock b550m steel legend the asus tough
1013
00:16:39,360 --> 00:16:45,199
gaming b550m plus
1014
00:16:40,959 --> 00:16:47,920
msi b550 gaming plus or the msi b550m
1015
00:16:45,199 --> 00:16:50,000
mortar those boards were all excellent
1016
00:16:47,920 --> 00:16:52,959
and really that does conclude part two
1017
00:16:50,000 --> 00:16:54,079
of our b550 varum temperature testing if
1018
00:16:52,959 --> 00:16:55,920
you enjoyed this video
1019
00:16:54,079 --> 00:16:57,680
please give it a like and if you'd like
1020
00:16:55,920 --> 00:16:59,040
to join us over at patreon for some
1021
00:16:57,680 --> 00:17:01,279
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00:16:59,040 --> 00:17:02,079
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00:17:01,279 --> 00:17:03,360
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1024
00:17:02,079 --> 00:17:06,160
check it out the link is in the video
1025
00:17:03,360 --> 00:17:08,000
description but other than that
1026
00:17:06,160 --> 00:17:10,000
thank you very much for watching i'm
1027
00:17:08,000 --> 00:17:19,839
your host steve and i'll see you
1028
00:17:10,000 --> 00:17:19,839
again soon
1029
00:17:23,380 --> 00:17:30,140
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1030
00:17:31,840 --> 00:17:33,919
you
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