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Here is an AMD SP5 socket (LGA6096) for EPYC Zen4 Genoa processors - (updated with photo)
The first images of the validation boards for EPYC Genoa CPUs have surfaced on the web. SP5 socket is a massive 7.5 cm high and 7.2 cm wide, making it suitable for next-generation Zen4 data-center CPUs.
The EPYC 7004 series, codenamed Genoa, will have up to 96 cores, while Bergamo, with Zen4 cores, will have up to 128 cores. The same SP5 socket will accommodate both series. Genoa will be AMD's first server product to use the new "Zen 4" CPU cores and next-generation I/O such as DDR5 memory and PCI-Express Gen 5. SP5, like its predecessor SP3, is a 6,096-pin land-grid array (LGA) connector. The socket's design corresponds to the blueprints disclosed in last year's Gigabyte attack. In addition, 12-channel DDR5 memory is visible, which is a new feature of the Zen4 EPYC series. According to the PCB schematics, each of the four segments of the SP5 socket is linked to one of the 12 DIMMs' subchannels.
First Genoa MCM photo: source phatal187 (Twitter)
Genoa processors will have up to 96 cores and 192 threads. They are built on the TSMC N5 process technology and have the Zen4 microarchitecture. AMD has not yet announced if the EPYC 7004 series would include 3D V-Cache, like the Milan-X series did last year. The first images of the next-generation EPYC motherboard have been uploaded on the ServeTheHome forums. Check them below.
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Gomez Addams
Senior Member
Posts: 212
Joined: 2019-04-15
Senior Member
Posts: 212
Joined: 2019-04-15
#6008008 Posted on: 04/08/2022 07:53 PM
Good heavens, 6,096 pins is enormous. I don't recall seeing any chip with that many.
For my purposes I am not sure if I would like the 3D cache or higher clock rates. I suspect if its only a 10 or 20% drop in frequency then the larger cache will likely make up for it. My application really benefits from larger cache as I have seen comparing it on an EPYC and a Threadripper with the same number of cores and similar clock rates. The EPYC is considerably faster, likely due to the cache but possibly also because more memory channels were used.
Good heavens, 6,096 pins is enormous. I don't recall seeing any chip with that many.
For my purposes I am not sure if I would like the 3D cache or higher clock rates. I suspect if its only a 10 or 20% drop in frequency then the larger cache will likely make up for it. My application really benefits from larger cache as I have seen comparing it on an EPYC and a Threadripper with the same number of cores and similar clock rates. The EPYC is considerably faster, likely due to the cache but possibly also because more memory channels were used.
reix2x
Senior Member
Posts: 537
Joined: 2010-01-20
Senior Member
Posts: 537
Joined: 2010-01-20
#6008054 Posted on: 04/08/2022 11:22 PM
i hope to see a 128 cores threadripper to crunch thos renders pretty fast, this is verty exciting
i hope to see a 128 cores threadripper to crunch thos renders pretty fast, this is verty exciting
CPC_RedDawn
Senior Member
Posts: 9353
Joined: 2008-01-06
Senior Member
Posts: 9353
Joined: 2008-01-06
#6008079 Posted on: 04/09/2022 03:43 AM
We're reaching an awkward point where these CPUs are getting so large that low-end models are going to become disproportionately overpriced. It seems like these CPUs are limited to strictly mainframes/datacenters. It doesn't seem like AMD is offering anything sensible for small businesses, but, I guess Intel needs a bone thrown to them because right now they still hardly have a complete response to the 7002 series.
It's funny though, how 32 cores is starting to sound a bit small.
This is the beauty of chiplets, allowing them scale up or down depending on the product and where its placed in the market. From mobile to datacentres.
And small businesses have a choice, its called threadripper. But how "small" are we talking?
They have amazing notebook and laptop chips for the low end consumer and travelling gamers.
They have their chips inside both the major consoles.
They have low end and high end desktop chips for office or gaming.
They have HEDT processors with threadripper for business, content creators, performance junkies, etc.
and monster chips for servers with Epyc.
Seems like all basis are covered, apart from mobile chips for phones or tablets. But I reckon this will change soon as we already see Radeon in the new Samsung SoC.
We're reaching an awkward point where these CPUs are getting so large that low-end models are going to become disproportionately overpriced. It seems like these CPUs are limited to strictly mainframes/datacenters. It doesn't seem like AMD is offering anything sensible for small businesses, but, I guess Intel needs a bone thrown to them because right now they still hardly have a complete response to the 7002 series.
It's funny though, how 32 cores is starting to sound a bit small.
This is the beauty of chiplets, allowing them scale up or down depending on the product and where its placed in the market. From mobile to datacentres.
And small businesses have a choice, its called threadripper. But how "small" are we talking?
They have amazing notebook and laptop chips for the low end consumer and travelling gamers.
They have their chips inside both the major consoles.
They have low end and high end desktop chips for office or gaming.
They have HEDT processors with threadripper for business, content creators, performance junkies, etc.
and monster chips for servers with Epyc.
Seems like all basis are covered, apart from mobile chips for phones or tablets. But I reckon this will change soon as we already see Radeon in the new Samsung SoC.
schmidtbag
Senior Member
Posts: 6567
Joined: 2012-11-10
Senior Member
Posts: 6567
Joined: 2012-11-10
#6008084 Posted on: 04/09/2022 06:09 AM
This is the beauty of chiplets, allowing them scale up or down depending on the product and where its placed in the market. From mobile to datacentres.
And small businesses have a choice, its called threadripper. But how "small" are we talking?
They have amazing notebook and laptop chips for the low end consumer and travelling gamers.
They have their chips inside both the major consoles.
They have low end and high end desktop chips for office or gaming.
They have HEDT processors with threadripper for business, content creators, performance junkies, etc.
and monster chips for servers with Epyc.
Seems like all basis are covered, apart from mobile chips for phones or tablets. But I reckon this will change soon as we already see Radeon in the new Samsung SoC.
The chiplets aren't the problem here, it's the socket and motherboard that I'm worried about. Imagine running less than 32 cores on a 7004 system. It just wouldn't really make sense, and would be disproportionately expensive. I'm not even sure that will be an option. If AMD doesn't offer an electrically simpler socket, they're kinda just handing over low end servers to Intel.
Granted, maybe Threadripper Pro will end up being the new low end server market, assuming those chips don't get this gargantuan die.
This is the beauty of chiplets, allowing them scale up or down depending on the product and where its placed in the market. From mobile to datacentres.
And small businesses have a choice, its called threadripper. But how "small" are we talking?
They have amazing notebook and laptop chips for the low end consumer and travelling gamers.
They have their chips inside both the major consoles.
They have low end and high end desktop chips for office or gaming.
They have HEDT processors with threadripper for business, content creators, performance junkies, etc.
and monster chips for servers with Epyc.
Seems like all basis are covered, apart from mobile chips for phones or tablets. But I reckon this will change soon as we already see Radeon in the new Samsung SoC.
The chiplets aren't the problem here, it's the socket and motherboard that I'm worried about. Imagine running less than 32 cores on a 7004 system. It just wouldn't really make sense, and would be disproportionately expensive. I'm not even sure that will be an option. If AMD doesn't offer an electrically simpler socket, they're kinda just handing over low end servers to Intel.
Granted, maybe Threadripper Pro will end up being the new low end server market, assuming those chips don't get this gargantuan die.
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Senior Member
Posts: 6567
Joined: 2012-11-10
We're reaching an awkward point where these CPUs are getting so large that low-end models are going to become disproportionately overpriced. It seems like these CPUs are limited to strictly mainframes/datacenters. It doesn't seem like AMD is offering anything sensible for small businesses, but, I guess Intel needs a bone thrown to them because right now they still hardly have a complete response to the 7002 series.
It's funny though, how 32 cores is starting to sound a bit small.