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AMD's next-gen Zen 3 rumor: 4 threads per core enables 64C/256T chips

AMD Zen 3 architecture rumored to support 4 threads per core with SMT4

By Anthony Garreffa on Sep 26, 2019 09:56 am CDT - 1 min, 0 secs reading time

Prepare the salt shakers because this rumor is a doozy -- AMD's next-gen Zen 3 architecture reportedly features massive changes to its SMT capabilities that would enable 4 threads per core.


This means Zen 3 processors with 64 cores could have up to 256 threads, something that would be quite the leap from AMD compared to the current EPYC Rome CPUs with 64C/128T max. The 4 threads per core processors would be perfect for the data center and HPC markets, and would pave the way for gigantic performance improvements from all those threads.

4 cores per thread isn't exactly new, with IBM supporting it with its Power CPU architecture supporting a huge 8 execution threads per core. AMD would, however, be the first with 4 cores per thread on an x86 micro architecture.

Software needs to catch up and support 256 threads per CPU, but in the data center and HPC markets this is already common. As for gamers, we wont' see the benefits of this until game developers really begin stretching out and using 16 threads... let alone 256 threads.

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Anthony Garreffa

ABOUT THE AUTHOR - Anthony Garreffa

Anthony is a long time PC enthusiast with a passion of hate for games to be built around consoles. With FPS gaming since the pre-Quake days, where you were insulted if you used a mouse to aim, he has been addicted to gaming and hardware ever since. Working in IT retail for 10 years gave him great experience with high-end, custom-built PCs. His addiction to GPU technology is unwavering, and with next-gen NVIDIA GPUs about to launch alongside 4K 144Hz HDR G-Sync gaming monitors and BFGDs (65-inch 4K 120Hz HDR G-Sync TVs) there has never been a time to be more excited about technology.

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