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ladies and gentlemen AMD has done it

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again the Epic Bergamo

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9754 crams 32 more cores into the

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already well stuffed sp5 package of Epic Genoa for a total of a whopping

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128 cores in the palm of my

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hand or is it yes it is but I can

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practically hear you guys furiously typing away lius who's going to spend

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$122,000 on a CPU I'm never going to use

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or even touch one of these monsters but here's the thing in the same way that

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the Technologies from multi-million dollar Formula 1 cars trickle down

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eventually to our daily drivers the advances that debut in high-end data

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center chips almost inevitably make their way into your home PC and there is

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a lot of goodness packed in here to be excited about and besides who cares if

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you ever need one holy sh it's a 128

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core CPU let's take this thing out for a rip rip like this segue to our sponsor

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or watch till the end of the video to learn more to achieve this level of core

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stuffy AMD took the same impressive IO

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die found on their epic Genoa CPUs that we met last year and they reworked the

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ccds or core complex dieses for higher

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density I will not be popping the lid

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off of this thing to show you guys but if I did you would notice a couple of

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key things first is that in spite of the higher core count there are actually

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fewer ccds that's because instead of up

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to 128 core D we're looking at 8 16 core

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dies how on Earth did they pack them in so tight by using Zen 4C cores rather

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than Reg regular Zen 4 cores now Zen 4C

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is not like an Intel e or efficiency

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core it should have the same performance per clock and the same level of feature

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support just packed 1.5 squ mm tighter

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each this means up to

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256 cores in a 2p or two processor

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server but it does come at a cost you lose some clock speed and you lose some

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level three Cash which doesn't sound like a very good thing and is probably

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the second thing you'd notice because in spite of having 33% more cores than

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Genoa bergo ends up with only 66% as

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much level three cash now AMD's argument for this is that in a cloud native

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workload we're not expecting to overcommit core so it'll be less

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impactful than you think but what even is a cloud native workload I'm so glad

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you asked it's still a little vaguely defined but examples might be things you

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use every day like search and social media and also tools you might not

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realize you're using every day like software infrastructure and platform as

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a service providers so in a way that makes sense since each workload is

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likely to be contained to the core or maybe couple of cores that are allocated

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to it without as much sharing of cached data across the CPU enough about that

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though let's get this thing built starting with the motherboard which wow

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if you are into motherboards this is a really sexy one as I mentioned already

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bergo uses the same iio die as denoa which means there support for a whopping

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12 channels of DDR 5cc memory and as

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many as 128 Lanes of PCIe Gen 5 with a

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single processor or up to 160 with a

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dual processor setup and you can see evidence of that all over the ASRock

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Genova -2t

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x550 this thing is absolutely whistling with high-end features to the point

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where in spite of it being a wider deep

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Micro ATX form factor it doesn't even have room for everything that bergo has

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to offer I mean it doesn't help that the sp5 socket plus the accompanying vrm

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that can do anywhere from 360 to 400

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watts of power delivery takes up about a quarter of the board let's go ahead and

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get the CPU installed this is my first sp5 installed but on the surface it

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looks pretty similar to what we've seen with pre AMD Threadripper and epic

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processor so you lift up this carrier frame take out the cover man that is a

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lot of freaking pins

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6,096 really is that right that can't be

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right go ahead and count him we go ahead and Slot that guy in a

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little something like that really that's

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it you don't even have to torque down the CPU does the pressure come from the

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cooler yeah oh oh let's talk about that the reason

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these server CPUs have so many more pins than a consumer one is because of all

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the different endpoints that they need to be directly connected to and one of

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the biggest mechanical challenges with these platforms is making sure that

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every single one of them is contacting correctly because even one being missing

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you could have a memory stick not show up or a PCIe slot that stops working

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it's actually really common on Epic and thread rep builds especially if the

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installer either doesn't torque the screws down enough or doesn't torque

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them down in the right order as for the cooler we're using this is the xo4 sp5

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it was sent over by Silverstone and it looks surprisingly wimpy considering

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that it's cooling 128 CPU cores but

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because the heat sources the cores are spread over such a large area under this

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metal plate the IHS we don't have to

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worry about the same kinds of concentrated hot spots that you might

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see on something like an Intel 14900 K

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that means even the heat pipes that aren't dead center on the cooler can

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work much more efficiently and you can handle a 400 W CPU with a little thing

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like this the instructions call for anywhere from 10.8 to 13 ftlb of torque

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on each screw and for it to be tightened in a star pattern starting with the

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sides and then doing the diagonals one after the other of course if you want to

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be extra careful the best thing to do is start all the screws in that order and

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then do a second pass checking all of the torque values with that out of the

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way let's move on to the really cool stuff like RAM to help us take full

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advantage of this platform Micron sent over 12 96 gig sticks of ddr5 5600 which

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would give us a total of over a terabyte of memory if we could install all of

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them but unfortunately due to limit ation of this

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form factor we're only going to be able to put eight on it I know I'm as

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disappointed as you guys are that we're slumming it with 768 gigs of RAM but you

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know what I think we're going to be okay

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see look it's not so bad 8 channels of memory I actually think azrock has done

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a great job of maximizing the io given the limited space they're working with

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we have four full fat PCIe gen 5x6 slots

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down here so that's 64 of our lanes taken care of each of the larger mcio

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connectors here is another eight Lanes two of them also support these eight

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Port say a 6 gig breakout cables so that's 96 total now each of the m.2

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slots that's another four lanes and the same goes for the different

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MCI yeah this one right here so what's that 108 108 we're still 20 lanes shy

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maybe they did need a bigger motherboard AMD has described epic as being as much

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a PCIe switch as it is a CPU and they're

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really not kidding they've crammed as many expansion ports as they possibly

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could onto this board regardless of whether you'd actually be able to use

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all of it and we've still got 20 more PCIe Gen 5 Lanes swinging in the breeze

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we haven't even talked about the 8 PCI E gen 3 Lanes four of which are serving

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our dual 10 gig Nicks and one more going to our as 2600 remote management system

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that leaves three more Lanes just hanging out

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no one no one down the street okay doesn't matter down the

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street point is you toss in some minimal USB VGA port and we have a truly epic

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amount of IO anyone I don't I don't get the

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thing down the street I'm sorry we'll stop that now all that's left is to plug

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in some storage and figure out our power situation see I have no doubt that this

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15500 watt unit from Corsair can power the machine I'm just not sure sure how

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we're going to connect it you see there's no 24 pin power connector on

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here that would have taken up precious PCI Express and fan header space but

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that's okay slowly but surely the industry is moving away from the lower

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voltages that make up realistically most of the pins in a 24 pin connector and

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two 12vt only designs so what we've got

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instead is three 8 pin ATX CPU power

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connectors and then this tiny little four pin that takes an adapter off of

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your 24 pin just for the power switch that's the green and black one right

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here power okay and then 5vt standby

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which is going to allow you to wake the system with a USB device for example now

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I can practically hear you thinking wow that power supply is being comically

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underutilized but don't worry guys we're going to find something power hungry to

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plug into it that's foreshadowing but

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first putting this thing on a test bench feels like a bit of a disservice doesn't

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it I think we need need a case and I think I know just the

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one oh you're not getting that run are you dang

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it oh God what oh God this is awesome I

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give me a hand at this oh boy oh how much do the wheels cost surprisingly

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nothing they were included what is this

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okay this this is a piece of History the

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year was 2003 I had a lot less facial

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hair and had never experienced gaming on

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a dedicated GPU there's no clip for it YouTube

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hadn't been invented yet but AMD existed

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and was announcing their first fora into the workstation and server market up on

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this was also our first look at the 64-bit instruction set extension to x86

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that Intel would ultimately license and is still in use to this day AMD wanted

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to make a splash for the launch so they held an event down in in Texas and

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showed off a dozen prototype optron systems in everything from single CPU to

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eight CPU configurations all in cases

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just like this one complete with

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included wheel lock I love this pull out drawer too remember kitchy 5 and a/4 in

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devices this one's a speaker anyway

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after the event the systems were decommission so a bunch of them ended up

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being sold in a San Antonio computer store at least one ended up on eBay and

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several more were simply scrapped this one though was bought by fellow YouTuber

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Wolfman mods who put it in storage for several years before it eventually made

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its way up here now we've cleaned it up as much as we dare to but we don't

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really want to damage something so unique now this case not exactly

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designed for ATX motherboards but it's so big we can just toss our test bench

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inside it I think Perfection complete completely toolless installation oh

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other than the side panel but for that all we need is a quarter turn with our

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trusty LT screwdriver this is so janky how did

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they think this was a good idea how unexpected a graphics card haha hey

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we're booted 768 gigs of RAM and enough logical

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processors that it looks like a quad socket machine from just a couple of

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years ago did you see how how long that took

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to loan look at this list what this is

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absolutely mindblowing I mean okay it's

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only running at 1.8 GHz right now but 73

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7 75 Watts that seems pretty reasonable

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AMD's Radion division could take some notes they have desktop gpus that

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consume that at idol here we go how fast

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will this go remember guys this is R23

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not the older R20 this should put the burn

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on are you freaking kidding

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me one chip one chip it barely even

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managed to spool up we touched 235 Watts

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for 5 seconds maybe it was a fluke yeah

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yeah yeah maybe it was a fluke maybe it was a fluke try we'll try again we'll try

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again is it done right yeah I'd say

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maybe 2/3 of the core is actually got to 100 holy crap the rest just sat there

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like 70 wait we might not actually be

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using enough cores custom number of render threads

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256 can it go even faster than

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86,000 points it might have been using 256 it might just not have fully spooled

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up oh yeah there goes all your cores

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holy crap I think that was even 89,000 points guys context here okay a

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Threadripper 20 990 WX K that's a 32

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core chip is left completely in the dust

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but that's okay because Maxon has a new generation of cine bench

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r24 let's see if that can bring this monster to its knees I haven't actually

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used this before it looks like it visually represents what's going on a

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little bit differently and it has all cores working on small chunks at a time

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rather than each core working on a tiny tiny tiny little chunk now let's have a

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look at clock speeds are highest boosted core is just over 3 GHz most of them are

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in the 2.6 to 2.8 range though oh wait

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no I lied there's a bunch over here that

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are at 3.1 oh my goodness it's kind of all over the place now I want to look at

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clock speed we've got more course than I was expecting boosting all the way to

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the maximum of 3.1 gahz but most of them

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are somewhere in the 2.8 to

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2.93 GHz range that makes sense remember

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how we talked about these zen4 C cores being more tightly packed than regular

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Zen 4 course that's why our Max boost is

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just 3.1 GHz on this chip but that

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reduced clock speed means that this bergo part shares the same default TDP

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of 360 Watts with the Genoa chip before

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it in spite of the 32 additional course

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plus as served the home found in there testing Bergamo can comfortably run with

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all 128 cores boosting for hours on end

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without neighboring cores interfering with each other maybe we need to do a

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quick pie calculation oh hold on first cinebench is done and we are about four

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times the speed of an apple M1 Ultra

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that is that's a fast chip guys it's not like yeah but whatever it's Apple that's

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a really fast CPU now it's time for more delicious Benchmark using Y cruncher

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will'll be calcul culting pi to oh I

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don't know 250 billion decimal places how much

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round do we have S about right we got a terabyte oh no we don't have a terabyte

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crap we have 768 oh sorry guys it'll have to be a 100 billion decal decimal

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places watch this memory usage

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go they are not turboing as high in this

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workload that tells us that this is a more demanding workload and we could be

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somewhat power limited or VM limited I don't think it's going to be power only

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a little over 300 watts could even be thermals though we managed to hit

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82° on average mind you that's the higher averaged die reading the actual

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ccds themselves where the compute is happening are all in the 55

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range kind of incredible when you consider how much heat is blowing off

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the back of this but that's what having a more spread out heat load will do for

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you wait we can check this we are thermal throttling oh crud we're not

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getting nearly as much performance out of this CPU as we should H is there

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anything we can do about that right now okay hear me out we missed the fins of

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the heat sink that's actually a terrible idea it

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would probably work do we have a spray bottle full of

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alcohol you can make some alcohol interesting

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interesting interesting oh God okay hold

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on hold on let me just this is how fire is made kids no no no no no no no no no

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there's not going to be a fire there's not going to be a fire okay hold on this is the dumbest thing I've ever done it's

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close buddy it's close I need actual

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water though no you can't spray water Don't Spray water can't sounds like a

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challenge to me I've got a shield here

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on the back side so none of the water will end up where it's not supposed to

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be okay let's see if uh let's see if

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that'll help it hey hey look at this CPU

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power consumption 300 WS almost I don't really think it's

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working realistically then we're not going to get a representative reading

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given that we don't have an adequate cooler and this is the only cooler we

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have for this socket so why don't we move on to a load that's not going to

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stress the entire CPU like a video game

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come on you guys you knew we were going to do it go we had to do it

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video oh where's our FP what oh no 50

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frames per second I mean we oh man that's why that's why I

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got shot there are you kidding me

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something I want to clarify is there's nothing architecturally about this CPU

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that makes it bad at running games I've seen it so many times in the comments oh

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is using a server CPU to run games especially when we'll do for example

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older generation Zeon builds as kind of cheap and cheerful gaming rigs but that

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is not the case at all this is the same

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as any other Zen 4 core except that it's running at such a low clock speed that

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it's just not able to keep up with our poor 490 that's

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like wants to go it wants to go but it

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can't go oh crap wow human that guy was

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terrible no offense buddy but wow we're

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using 96 W this this is just not working

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guys I've also got another game to try's see if something a little bit more

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multi-threaded is going to do better now that's more like it over 200 frames per

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second clearly there is something about CS2 that does not like having a slow CPU

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I mean we know it runs way faster with a faster one but I was not expecting it to

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be that bad yeah we're getting 180 FPS

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I'm only at 1080p mind you but if we had a CPU bottleneck we should be quite CPU

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bottleneck regardless of the resolution we're running at I mean this is a 4090

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so that's not going to hold us back CPU usage is at

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0% oh then it goes up to 25 uh then back

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to zero what what what are you even talking about you know what it doesn't

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matter the reality is nothing we run here is a real test of what these chips

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are capable of or what they're designed for and prepackaged benchmarks for cloud

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workloads are few and far between with most customers for a product like this

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either being the kinds of folks who build data Centric capacity then lease

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it to third party and let the customers figure out the rest or the kinds that

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operate at such a large scale that they would expect to receive samples from

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either AMD or their own budgets that they would use to optimize their

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workloads and evaluate the suitability based on real world testing and honestly

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seems like things are going pretty well for AMD on both fronts with their

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massive lead in core counts and PCIe iio

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everyone from Microsoft and meta to Amazon and Google is building up

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infrastructure around bergam Mo and other epic CPUs and with Intel's Sierra

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Forest response using stripped down efficiency cores and being as much as 8

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months away it doesn't look like that's going to be changing in the near future

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so opteron might have ultimately fizzled

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out but epic looks poised to continue making massive gains in the data center

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well at least until the competition from ARM-based competitors gets even stronger

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strong like my segue game to our sponsor

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his channel we'll have that link down below and if you're looking for something else to watch why don't you

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check out our coverage of Epic Genoa the full fat non compact version of zen4

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Epic it has a lot more in common with the upcoming thread RI for 7000 CPUs

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that I remember that thing I said before about making its way to the desktop it's

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coming it's happening
