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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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user1
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#6008258 Posted on: 04/09/2022 08:56 PM
There's six dimms on the left of that socket but on the other side there's more than six which i found strange.
You'd think it would be 6+6 but it seem not the case at all. HH wrote it has 12 DIMMs but i count more.
it looks like 12 channel, its 12 dimms on each side, with 2 dimms per "channel"(if we consider 64bit wide as a channel) that gives a total of 24 slots, both sides are connected to the single socket, (the schematic shows this). pretty standard affair, servers have supported 3/4 dimms per channel in the past, though usually with a performance penalty
There's six dimms on the left of that socket but on the other side there's more than six which i found strange.
You'd think it would be 6+6 but it seem not the case at all. HH wrote it has 12 DIMMs but i count more.
it looks like 12 channel, its 12 dimms on each side, with 2 dimms per "channel"(if we consider 64bit wide as a channel) that gives a total of 24 slots, both sides are connected to the single socket, (the schematic shows this). pretty standard affair, servers have supported 3/4 dimms per channel in the past, though usually with a performance penalty
schmidtbag
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Senior Member
Posts: 6691
Joined: 2012-11-10
#6008262 Posted on: 04/09/2022 09:12 PM
The new AM5 socket will probably continue the Ryzen pro option for a cheaper 16 core or lower option.
Epic is also currently available on server boards with cut down memory slots and PCI slots to save money and space, if they are not needed for the workload.
Right but there's still going to be a rather large gap between AM5 and SP5. Even if AM5 goes up to 32 cores, the platform will still lack some of the larger quantities of PCIe lanes or motherboards more focused on server I/O.
The new AM5 socket will probably continue the Ryzen pro option for a cheaper 16 core or lower option.
Epic is also currently available on server boards with cut down memory slots and PCI slots to save money and space, if they are not needed for the workload.
Right but there's still going to be a rather large gap between AM5 and SP5. Even if AM5 goes up to 32 cores, the platform will still lack some of the larger quantities of PCIe lanes or motherboards more focused on server I/O.
Raserian
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Posts: 212
Joined: 2021-01-21
#6008266 Posted on: 04/09/2022 10:15 PM
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.Low end CPUs are not gonna be made off a same wafers so I don't expect them to get more expensive, at least not in relation to specialized CPUs like these. On the other hand I can't think of any reason to buy this CPU for regular use. Unless you are operating a large scale data center you don't need it. And more and more organizations which had their own data centers are eliminating them and moving to cloud. And cloud operators will buy servers with these instead.
Nevertheless it is very large CPU for sure and I thought the electronics are getting smaller, boy was I wrong
.
all manufacturing businesses start at the high end as that's where the profit margin is.
it takes time to scale up volume enough to make money off of a 15% margin which is where a low end mass market part is at (for the most part & yeah exceptions to every rule).
which is why yield has a direct relationship to profitability - AMD has gone to chiplets which are high yield by design and also have a lower cost to produce. Intel decided to flood the market with AL and eat a lot of the production costs, which has to be measured in years not just dollars as every chip is monolithic and a lower yield, albeit at a newer more efficient process that's finally ready for "primetime".
be not afraid (of socket size) :p
these are the products that make everything on the internet less expensive and more feature rich.
there are services just waiting to be invented as well as services that blow your socks off.
aka "the cloud" 3.0Well, that is debatable, Intel's model did work for quite a while, and they decrease the loss by selling lower binned CPUs which are ok for the most part. But I am not sure assembling a similar CPU out of non-functional chiplets is possible or being done by AMD. Intel does occasionally make multi-chip packages, but mostly of two dies - one with the CPU and other with an iGP.
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.Low end CPUs are not gonna be made off a same wafers so I don't expect them to get more expensive, at least not in relation to specialized CPUs like these. On the other hand I can't think of any reason to buy this CPU for regular use. Unless you are operating a large scale data center you don't need it. And more and more organizations which had their own data centers are eliminating them and moving to cloud. And cloud operators will buy servers with these instead.
Nevertheless it is very large CPU for sure and I thought the electronics are getting smaller, boy was I wrong
.all manufacturing businesses start at the high end as that's where the profit margin is.
it takes time to scale up volume enough to make money off of a 15% margin which is where a low end mass market part is at (for the most part & yeah exceptions to every rule).
which is why yield has a direct relationship to profitability - AMD has gone to chiplets which are high yield by design and also have a lower cost to produce. Intel decided to flood the market with AL and eat a lot of the production costs, which has to be measured in years not just dollars as every chip is monolithic and a lower yield, albeit at a newer more efficient process that's finally ready for "primetime".
be not afraid (of socket size) :p
these are the products that make everything on the internet less expensive and more feature rich.
there are services just waiting to be invented as well as services that blow your socks off.
aka "the cloud" 3.0Well, that is debatable, Intel's model did work for quite a while, and they decrease the loss by selling lower binned CPUs which are ok for the most part. But I am not sure assembling a similar CPU out of non-functional chiplets is possible or being done by AMD. Intel does occasionally make multi-chip packages, but mostly of two dies - one with the CPU and other with an iGP.
TLD LARS
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Senior Member
Posts: 389
Joined: 2017-03-01
#6008274 Posted on: 04/09/2022 10:47 PM
Just looked up the prices of a 5950x and a Epyc 7282, both 16 cores and the price difference is just 150€ higher for the Epyc.
It is one of the slowest 16 core Epyc, but still super cheap for 128 pci lanes, 8 channel memory on servergrade hardware.
Right but there's still going to be a rather large gap between AM5 and SP5. Even if AM5 goes up to 32 cores, the platform will still lack some of the larger quantities of PCIe lanes or motherboards more focused on server I/O.
Just looked up the prices of a 5950x and a Epyc 7282, both 16 cores and the price difference is just 150€ higher for the Epyc.
It is one of the slowest 16 core Epyc, but still super cheap for 128 pci lanes, 8 channel memory on servergrade hardware.
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There's six dimms on the left of that socket but on the other side there's more than six which i found strange.
You'd think it would be 6+6 but it seem not the case at all. HH wrote it has 12 DIMMs but i count more.
It could be a dual socket board with 12 mem DIMM in the middle. 6+6 6+6