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AMD EPYC Genoa leak details astonishing leap over Milan for the Zen 4 5nm server CPU series: Up to 96 cores, 192 threads, and 12-channel DDR5 memory support

The leaked specs for AMD EPYC Genoa show it to be a potentially incredible server chip series. (Image source: AMD/Alstor SDS - edited)
The leaked specs for AMD EPYC Genoa show it to be a potentially incredible server chip series. (Image source: AMD/Alstor SDS - edited)
Details about AMD’s Zen 4 5nm EPYC server CPU series, codenamed “Genoa”, have been apparently leaked. It appears core count will go right up to 96, allowing the potential of 192-thread processing. Along with that, the incredibly powerful EPYC Genoa chips will support 12-channel DDR5 and up to 128 PCIe 5.0 lanes.
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A leak from ExecutableFix has offered up a wealth of information about the Zen 4 AMD EPYC server chips, which are also known as Genoa. The EPYC Genoa series is expected to make an appearance in 2022, after the Zen 3 EPYC Milan range has had an opportunity to amaze the world with its processing power. EPYC Genoa will be based on the 5nm manufacturing process, and it will apparently feature up to a 96-core, 192-thread SKU.

Unsurprisingly, with all those extra cores (Milan is expected to “only” go up to 64 cores) the EPYC Genoa processor is also rumored to be coming with more chiplets. ExecutableFix has posted a mock-up of what a 96-core EPYC Genoa chip could look like with 12 chiplets for the cores and one for the I/O die (see below). Additionally, the same source has stated that EPYC Genoa will offer support for 12-channel DDR5-5200 memory (Milan = 8-channel DDR4-3200) and up to 128 PCIe 5.0 lanes – or even up to 160 in a dual-socket configuration.

It almost seems like AMD has thrown everything but the kitchen sink at the EPYC Genoa server series, which will have a default TDP of 320 W that is configurable up to a whopping 400 W. The final detail mentioned is the SP5 (LGA 6096) socket, while EPYC Naples, Rome, and Milan utilize the SP3 platform and LGA 4094 socket. Everything about EPYC Genoa appropriately sounds epic, and one can only hope this kind of likely impressive generational leap also applies to the Zen 4 desktop and mobile processor ranges.

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Zen 3 EPYC Milan Zen 4 EPYC Genoa
Max C/T 64/128 96/192
Process 7nm 5nm
Socket SP3/LGA 4094 SP5/LGA 6096
TDP 280 W 320 W (c. 400 W)
PCIe 128x PCIe 4 128x PCIe 5
Memory 8-channel DDR4-3200 12-channel DDR5-5200
Chip design 8x chiplets + 1x I/O die 12x chiplets + 1x I/O die
Potenial design differences. (Image source: @ExecuFix)
Potenial design differences. (Image source: @ExecuFix)

Source(s)

@ExecuFix (1/2) via VideoCardz

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Daniel R Deakin
Daniel R Deakin - Managing Editor News - 2339 articles published on Notebookcheck since 2012
My interest in technology began after I was presented with an Atari 800XL home computer in the mid-1980s. I especially enjoy writing about technological advances, compelling rumors, and intriguing tech-related leaks. I have a degree in International Relations and Strategic Studies and count my family, reading, writing, and travel as the main passions of my life. I have been with Notebookcheck since 2012.
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> Notebook / Laptop Reviews and News > News > News Archive > Newsarchive 2021 02 > AMD EPYC Genoa leak details astonishing leap over Milan for the Zen 4 5nm server CPU series: Up to 96 cores, 192 threads, and 12-channel DDR5 memory support
Daniel R Deakin, 2021-02-28 (Update: 2021-02-28)