Wednesday, May 22nd 2024
AMD Zen 6 to Cram Up to 32 CPU Cores Per CCD
AMD's future "Zen 6" CPU microarchitecture is rumored to cram up to 32 cores per CCD (CPU complex die), or the common client/server chiplet with the CPU cores, according to Kepler_L2, a reliable source with hardware leaks. At this point it's not clear if they are referring to the regular "Zen 6" CPU core, or the physically compacted "Zen 6c" core meant for high core-count cloud server processors. The current pure "Zen 4c" CCD found in EPYC "Bergamo" processor packs 16 cores across two 8-core CCX (CPU core complexes) that share a 16 MB L3 cache among the 8 cores within the CCX. The upcoming "Zen 5c" CCD will pack 16 cores, but in a single 16-core CCX that shares 32 MB of L3 cache among the 16 cores for improved per-core cache access. "Zen 6" is expected to double this to 32 cores per CCD.
The 32-core CCD powered by "Zen 6" (likely Zen 6c), might take advantage of process improvements to double the core-count. At this point, it's not clear if this jumbo CCD features a single large CCX with all 32 cores sharing a large L3 cache; or if it's using two 16-core CCX that shares, say, 32 MB of L3 cache among the 16 cores. What's clear with this leak, though, is that AMD is looking to continue ramping up CPU core counts per socket. Data-centers and cloud customers seem to love this, and AMD is the only x86 processor maker in a serious competition with Arm-based server processor manufacturers such as Ampere, to increase significantly increase core counts per socket with each generation.
Sources:
InstLatX64 (Twitter), Kepler_L2 (Twitter), harukaze5719 (Twitter)
The 32-core CCD powered by "Zen 6" (likely Zen 6c), might take advantage of process improvements to double the core-count. At this point, it's not clear if this jumbo CCD features a single large CCX with all 32 cores sharing a large L3 cache; or if it's using two 16-core CCX that shares, say, 32 MB of L3 cache among the 16 cores. What's clear with this leak, though, is that AMD is looking to continue ramping up CPU core counts per socket. Data-centers and cloud customers seem to love this, and AMD is the only x86 processor maker in a serious competition with Arm-based server processor manufacturers such as Ampere, to increase significantly increase core counts per socket with each generation.
51 Comments on AMD Zen 6 to Cram Up to 32 CPU Cores Per CCD
Not a good joke.
The exception is if they're going 3D. That silly thick lid must be a placeholder for something..
Although personally, I just want a second full x16 to run an NVMe x16 card without having to pay extra for built-in bifurcation. Bonus if they could also squeeze another x8 just so I can run a legacy ASUS sound card with my existing setup.
And go back to either triple channel DDR or bring quad channel DDR to mainstream too.
Can't really see the point of a 32 core CPU for desktop, might as well just buy a TR if you need that many. Fast 16 core with no HT is the way to go imo. I think Intel have the right idea ditching HT, theough it does seem they are sticking with E cores and even got AMD to cobble up C cores for their CPUs
This is clickbait. The text is all about EPYC, and Ryzen is never mentioned, especially not AM4.
No wonder readers start dreaming up products that will never exist lol
It's not the first time AMD said three years. Maybe they want to say four, but it's just that they can't know for certain.
In 2017:
Regardless of chipset, AMD intends to use the same socket, Socket 1331, and the same platform, AM4, until 2020, unless some new technology (such as PCIe 4.0 or DDR5) forces it to change the package pinout.
arstechnica.com/gadgets/2017/03/amds-moment-of-zen-finally-an-architecture-that-can-compete/4/
As we all know, the 5800X3D came not three but five years later, and models have been launched even this year, seven years later.
AMD will have to tell us this year if Zen5 or Zen6 is the last one for AM5.
I think 32 cores will definitely be Zen 6c cores, not regular Zen 6 cores which will be limited to 16 cores.
leaving out alterations that would probably not be feasible for am5, that does leave why bother with ryzen 7 and 9 if the base ccd is 16 core anyway.
So am5 for the low end something new with more memory channels and it’s not going to be thread ripper because those prices are just to high and would leave a serious gap in the product line
www.techpowerup.com/313471/die-shot-suggests-phoenix-2-is-amds-first-hybrid-processor
www.techpowerup.com/317448/amd-announces-ryzen-8000g-series-desktop-apus-select-models-feature-ryzen-ai
Strange how you can't understand what I'm saying. All I said was that C cores didn't start as a direct response to E cores, because they both originated in different markets. That doesn't mean that they wouldn't compete with each other in the end.IDK if it's glue or whatever, I'm simply talking about the contact area between the lid and the base. It needs to be there in order to have that surface on top of the lid for the mechanism to hold on to. It can't look like AM4 CPU's around the edges. However, it's of course possible that AMD will use a new lid for AM5 at some point,.
They use solder.
Given how big and unique of a market the Xx70 platforms are, it would be really cool if AMD found some extra pins and made X770 triple channel and B750 dual channel or something similar. But major doubt.
6+2 configuration can be refreshing for budget option, also idle power will improve when you can turn off entire CCD.
Speaking of a 32-core CCD. AMD went in full retard mode lately.
Why not simply 12-core Zen 4 CCD, 16-core Zen 5 CCD, and 24-core Zen 6 CCD?! WTH :kookoo::banghead:
There is some random process coming in asking for CPU time. How does the scheduler know whether to put it on full cores or c cores? It can't predict what the process will do. Or what the user's expectation is in that moment.