Running The AMD EPYC 9754 CPUs With A 320W cTDP To Enhance Power Efficiency

Written by Michael Larabel in Processors on 28 July 2023 at 10:25 AM EDT. Page 3 of 4. 7 Comments.
OpenVKL benchmark with settings of Benchmark: vklBenchmark ISPC. EPYC 9754 2P - Power 400W was the fastest.
OpenVKL benchmark with settings of Benchmark: vklBenchmark ISPC. EPYC 9754 2P - Power 400W was the fastest.
OpenVKL benchmark with settings of Benchmark: vklBenchmark ISPC. EPYC 9754 2P - Power 400W was the fastest.

In some workloads there didn't end up being much of a difference to the performance or efficiency between the default 360 Watt rating and 320W cTDP.

Intel Open Image Denoise benchmark with settings of Run: RT.hdr_alb_nrm.3840x2160, Device: CPU-Only. EPYC 9754 2P - Power 400W was the fastest.
Intel Open Image Denoise benchmark with settings of Run: RT.hdr_alb_nrm.3840x2160, Device: CPU-Only. EPYC 9754 2P - Power 400W was the fastest.
Intel Open Image Denoise benchmark with settings of Run: RT.hdr_alb_nrm.3840x2160, Device: CPU-Only. EPYC 9754 2P - Power 400W was the fastest.

Or in some cases the 2P power consumption difference was down to about ~10 Watts while still delivering similar performance.

Stress-NG benchmark with settings of Test: Memory Copying. EPYC 9754 2P - Power 400W was the fastest.
Stress-NG benchmark with settings of Test: Memory Copying. EPYC 9754 2P - Power 400W was the fastest.
Stress-NG benchmark with settings of Test: Memory Copying. EPYC 9754 2P - Power 400W was the fastest.
John The Ripper benchmark with settings of Test: MD5. EPYC 9754 2P - Power 400W was the fastest.
John The Ripper benchmark with settings of Test: MD5. EPYC 9754 2P - Power 400W was the fastest.
John The Ripper benchmark with settings of Test: MD5. EPYC 9754 2P - Power 400W was the fastest.

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