AMD SP5 socket (LGA6096) for EPYC “Zen4” Genoa processors pictured

Published: 8th Apr 2022, 09:01 GMT   Comments

AMD SP5 – a big socket for big CPUs

As we await the formal launch of EPYC Genoa CPUs later this year, the first pictures of the validation boards emerge. 

The whole SP5 socket is 7.5 cm high and 7.2 cm wide socket for next-gen Zen4 data-center processors. The EPYC 7004 series codenamed “Genoa” are to feature up to 96 cores, and “Bergamo” with Zen4c cores should offer up to 128 cores. Both series are to be supported by the same SP5 socket.

First photos of the next-gen EPYC motherboard have been posted over at ServeTheHome forums. The design of the socket matches the diagrams that were leaked through last year’s Gigabyte hack. Furthermore, we can see 12-channel DDR5 memory, which is a new feature of the Zen4 EPYC series. PCB diagrams show that each of the four segments of the SP5 socket is connected to one of the subchannels of each of the 12 DIMMs.

AMD SP5 socket for EPYC 7004 Series, Source: ServeTheHome

The previously leaked diagrams show a sophisticated latching and retention mechanism for the large SP5 processors. At this moment, it is unclear if we are ever to see a SP5 socket for AMD’s HEDT Threadripper series.

AMD SP5 socket for EPYC 7004 Series, Source: Gigabyte

The Genoa processors are to feature up o 96 cores and 192 threads. They are based on TSMC N5 process technology and feature Zen4 microarchitecture. AMD has not yet confirmed whether they are planning EPYC 7004 series with 3D V-Cache, just like Milan-X series released last year.

AMD 16-core EPYC Genoa processor, Source: VideoCardz

According to AMD, Genoa is currently shipping to first customers and on track to launch by the end of 2022. The Genoa and Bergamo series are to be the first to utilize the SP5 socket, with rumored “Turin” series expected next year at soonest.

RUMORED AMD EPYC Processor Series Specifications
VideoCardz7001 “Naples”7002 “Rome”7003 “Milan”
7003 “Milan-X” (*)
7004 “Genoa”7004 “Bergamo”7005 “Turin”
Launch201720192021202220222023/2024
Architecture14nm Zen7nm Zen27nm Zen35nm Zen45nm Zen4cZen5
SocketSP3 (LGA4094)SP3 (LGA4094)SP3 (LGA4094)SP5 (LGA-6096)SP5 (LGA-6096)SP5 (LGA-6096)
Modules/Chiplets
 
4xCCD
 
8xCCD + 1xI/0
 
8xCCD + 1xI/O
 
12xCCD + 1xI/O
 
12xCCD + 1xI/O
TBC
Max Cores
 
32C/64T
 
64C/128T
 
64C/128T
 
96C/192T
 
128C/256T
 
256C/512T
Max Clock
 
3.8 GHz
 
3.9 GHz
 
4.1 GHz
TBCTBCTBC
L2 Cache Per Core0.5 MB0.5 MB0.5 MB1 MBTBCTBC
L3 Cache Per CCX8 MB8 MB32 MB / 96 MB (*)32 MBTBCTBC
Memory Channels
 
8-channel
 
8-channel
 
8-channel
 
12-channel
 
12-channel
 
12-channel
Memory Support
 
DDR4-2666
 
DDR4-3200
 
DDR4-3200
 
DDR5-5200
 
DDR5-5200
 
DDR5-6000
PCIe Lanes
 
128x Gen3
 
128x Gen4
 
128x Gen4
 
128x Gen5
TBCTBC
Max cTDP
 
200W
 
280W
 
280W
 
400W
TBC
 
600W

Source: ServeTheHome (@111alan) via Wccftech, @9550pro




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