AMD EPYC Genoa CPU Platform Detailed – Up To 96 Zen 4 Cores, 192 Threads, 12-Channel DDR5-5200, 128 PCIe Gen 5 Lanes, SP5 ‘LGA 6096’ Socket

Details of AMD's next-generation EPYC Genoa Server CPU lineup which will feature the Zen 4 core architecture have leaked out by ExecutableFix. The details point out various specifications for the upcoming lineup and the respective SP5 platform which will succeed AMD's existing SP3 platform that has lasted three generations of EPYC CPUs including Naples, Rome, and the upcoming, Milan.

AMD EPYC Genoa Server CPU Details Leak Out - Massive 96 Zen 4 Cores In Up To 12 Chiplets, DDR5/PCIe 5 Support, LGA 6096 Socket

We have heard some little tidbits about AMD's EPYC Genoa in the past but it looks like the latest tweet by ExecutableFix spills the beans on the grandest EPYC launch to date. AMD will be moving over to a new platform and introducing so many new features that each one deserves a special mention of its own. The Genoa lineup is pinned to ship later this year with a hard launch around 2022.

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96-cores (192 threads)
12-channel DDR5-5200
128 PCIe 5.0 lanes (160 for 2P)
320W TDP (cTDP 400W) 🔥
SP5 (LGA-6096) socket

Genoa everyone 😍

— ExecutableFix (@ExecuFix) February 28, 2021

Starting with the details, AMD has already announced that EPYC Genoa would be compatible with the new SP5 platform which brings a new socket so SP3 compatibility would exist up till EPYC Milan. The EPYC Genoa processors would also feature support for new memory and new capabilities. In the latest details, it is reported that the SP5 platform will also feature a brand new socket that will feature 6096 pins arrange in the LGA (Land Grid Array) format. This will be by far the biggest socket that AMD has ever designed with 2002 more pins than the existing LGA 4094 socket.

The socket will support AMD's EPYC Genoa and future generations of EPYC chips. Talking about Genoa CPUs themselves, the chips will pack a mammoth 96 cores and 192 threads. These will be based on AMD's brand new Zen 4 core architecture which is expected to deliver some insane IPC uplifts while utilizing the TSMC 5nm process node. A recent rumor had pointed out that the AMD EPYC Genoa CPUs are expected to offer up to 29% IPC uplift over Milan CPUs and a 40% overall improvement thanks to other key technologies that we will get to in a bit.

To get to 96 cores, AMD has to pack more cores in its EPYC Genoa CPU package. AMD is said to achieve this by incorporating a total of up to 12 CCD's in its Genoa chip. Each CCD will feature 8 cores based on the Zen 4 architecture. That aligns with the increased socket size and we could be looking at a massive CPU interposer, even larger than the existing EPYC CPUs. The CPU is said to feature TDPs of 320W which will be configurable up to 400W.

Now that's one area which has seen a massive increase. The current top parts max out at 280W TDPs so a TDP of 400W is an insane 120W more than Milan. But given the increased performance and core counts, we can definitely expect some top-notch efficiency for Genoa. At the same time, we can also expect faster clock speeds, especially the base frequencies which could take a direct benefit of the increased TDP. The IO die will be separate from the CCD's and that will bring up the total chiplet count on the chip to 13.

Other than that, it is stated that AMD's EPYC Genoa CPUs will feature 128 PCIe Gen 5.0 lanes, 160 for a 2P (dual-socket) configuration. The SP5 platform will also feature DDR5-5200 memory support which is some insane improvement over the existing DDR4-3200 MHz DIMMs. But that's not all, it will also support up to 12 DDR5 memory channels and 2 DIMMs per channel which will allow up to 3 TB of system memory using 128 GB modules.

The main competitor of AMD's EPYC Genoa lineup would be Intel's Sapphire Rapids Xeon family which is expected to launch in 2022 too with PCIe Gen 5 and DDR5 memory support. The lineup was recently rumored to not get a volume ramp until 2023 which you can read more about over here. Overall, AMD's Genoa lineup seems to be in great form after this leak and could be a major disruption for the server segment if AMD plays its cards right till Genoa's launch.

AMD EPYC CPU Families:

Family Name	AMD EPYC Verano	AMD EPYC Venice	AMD EPYC Turin-X	AMD EPYC Turin-Dense	AMD EPYC Turin	AMD EPYC Siena	AMD EPYC Bergamo	AMD EPYC Genoa-X	AMD EPYC Genoa	AMD EPYC Milan-X	AMD EPYC Milan	AMD EPYC Rome	AMD EPYC Naples
Family Branding	EPYC 9007	EPYC 9006	EPYC 9005	EPYC 9005	EPYC 9005	EPYC 8004	EPYC 9004	EPYC 9004	EPYC 9004	EPYC 7004	EPYC 7003	EPYC 7002	EPYC 7001
Family Launch	2027	2026	2025	2025	2024	2023	2023	2023	2022	2022	2021	2019	2017
CPU Architecture	Zen 7	Zen 6	Zen 5	Zen 5C	Zen 5	Zen 4	Zen 4C	Zen 4 V-Cache	Zen 4	Zen 3	Zen 3	Zen 2	Zen 1
Process Node	TBD	2nm TSMC	4nm TSMC	3nm TSMC	4nm TSMC	5nm TSMC	4nm TSMC	5nm TSMC	5nm TSMC	7nm TSMC	7nm TSMC	7nm TSMC	14nm GloFo
Platform Name	SP7	SP7	SP5	SP5	SP5	SP6	SP5	SP5	SP5	SP3	SP3	SP3	SP3
Socket	TBD	TBD	LGA 6096 (SP5)	LGA 6096 (SP5)	LGA 6096	LGA 4844	LGA 6096	LGA 6096	LGA 6096	LGA 4094	LGA 4094	LGA 4094	LGA 4094
Max Core Count	TBD	96	128	192	128	64	128	96	96	64	64	64	32
Max Thread Count	TBD	192	256	384	256	128	256	192	192	128	128	128	64
Max L3 Cache	TBD	TBD	1536 MB	384 MB	384 MB	256 MB	256 MB	1152 MB	384 MB	768 MB	256 MB	256 MB	64 MB
Chiplet Design	TBD	8 CCD's (1 CCX per CCD) + 2 IOD?	16 CCD's (1CCX per CCD) + 1 IOD	12 CCD's (1CCX per CCD) + 1 IOD	16 CCD's (1CCX per CCD) + 1 IOD	8 CCD's (1CCX per CCD) + 1 IOD	12 CCD's (1 CCX per CCD) + 1 IOD	12 CCD's (1 CCX per CCD) + 1 IOD	12 CCD's (1 CCX per CCD) + 1 IOD	8 CCD's (1 CCX per CCD) + 1 IOD	8 CCD's (1 CCX per CCD) + 1 IOD	8 CCD's (2 CCX's per CCD) + 1 IOD	4 CCD's (2 CCX's per CCD)
Memory Support	TBD	DDR5-12800	DDR5-6000?	DDR5-6400	DDR5-6400	DDR5-5200	DDR5-5600	DDR5-4800	DDR5-4800	DDR4-3200	DDR4-3200	DDR4-3200	DDR4-2666
Memory Channels	TBD	16-Channel (SP7)	12 Channel (SP5)	12 Channel	12 Channel	6-Channel	12 Channel	12 Channel	12 Channel	8 Channel	8 Channel	8 Channel	8 Channel
PCIe Gen Support	TBD	128-192 PCIe Gen 6	TBD	128 PCIe Gen 5	128 PCIe Gen 5	96 Gen 5	128 Gen 5	128 Gen 5	128 Gen 5	128 Gen 4	128 Gen 4	128 Gen 4	64 Gen 3
TDP (Max)	TBD	~600W	500W (cTDP 600W)	500W (cTDP 450-500W)	400W (cDP 320-400W)	70-225W	320W (cTDP 400W)	400W	400W	280W	280W	280W	200W

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