AMD EPYC “Genoa” Zen4 with up to 96 cores and 12-channel DDR5 memory support

Published: 17th Aug 2021, 09:44 GMT   Comments

AMD Genoa with Zen4 cores up to 96 cores

Following the AM5 socket leak, it appears that more data is now surfacing on social media featuring the EPYC Genoa server CPU series. 

According to ComputerBase, the details that have leaked on the AMD SP5 socket for next-generation EPYC 7004 “Genoa” server CPU series have leaked through the Gigabyte hack. The files that are surfacing today are focusing on AMD SP5 and AM5 platforms specifically, both being AMD’s first platforms for Zen4 server and consumer platforms respectively.

AMD AM5 socket for EPYC Genoa, Source: @KittyYYuko

The screenshots from AMD documents have been posted by @KittyYYuko. There is a good chance that AMD will issue a DMCA claim on those files and those tweets might disappear soon.

AMD Genoa CPU CCD layout, Source: @KittyYYuko

The details on AMD Genoa are allegedly from documents dated July 2021, which means they are quite recent. They describe motherboard thermal and power compatibility guidelines and details on the Zen4 EPYC CPUs themselves, including the layout of the compute tiles. It is more or less confirmed at this point that EPYC 7004 series will feature up to 12 CCDs (Core Complex), each carrying up to 8 cores. This means that the top SKU in the Zen4 Genoa lineup is to future 96 cores and 192 threads. This information had leaked before and only now has it finally been confirmed.

Furthermore, it is confirmed that Genoa CPUs will support 12-channel DDR5 memory and that the top SKU will have a default 320W TDP and a maximum of 400W. The data that was shared confirms that the peak power consumption of this SKU (noted as E) may reach up to 700W for 1 ms.

AMD Genoa DDR5 Memory and Power Requirements, Source: @KittyYYuko

AMD EPYC Processor Series
7001 “Naples”7002 “Rome”7003 “Milan”7004 “Genoa”7005 “Turin”
Launch2017201920212022TBC
Architecture14nm Zen7nm Zen27nm Zen35nm Zen4TBC
SocketSP3 (LGA4094)SP3 (LGA4094)SP3 (LGA4094)SP5 (LGA-6096)SP5 (LGA-6096)
Modules/Chiplets
 
4x CCD
 
8x CCD + 1x I/0
 
8x CCD + 1x I/O
 
12x CCD + 1x I/O
TBC
Max Cores
 
32C/64T
 
64C/128T
 
64C/128T
 
96C/192T
TBC
Max Clock
 
3.8 GHz
 
3.9 GHz
 
4.1 GHz
TBCTBC
Memory Support
 
8ch DDR4-2666 ECC
 
8ch DDR4-3200 ECC
 
8ch DDR4-3200 EEC
 
12ch DDR5-5200 ECC
 
12ch DDR5-6000 ECC
PCIe Lanes
 
128x Gen3
 
128x Gen4
 
128x Gen4
 
128x Gen5
TBC
Max TDP
 
200W
 
280W
 
280W
 
320W
TBC

Source: ComputerBase, @KittyYYuko




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