AVX-512's Enormous Advantage For AMD EPYC 4005 Series Performance

Written by Michael Larabel in Processors on 25 June 2025 at 03:00 PM EDT. Page 5 of 9. 44 Comments.

👁 OpenVINO benchmark with settings of Model: Face Detection FP16-INT8, Device: CPU. EPYC 4585PX was the fastest.

👁 OpenVINO benchmark with settings of Model: Face Detection FP16-INT8, Device: CPU. EPYC 4345P was the fastest.

👁 OpenVINO benchmark with settings of Model: Age Gender Recognition Retail 0013 FP16-INT8, Device: CPU. EPYC 4585PX was the fastest.

👁 OpenVINO benchmark with settings of Model: Age Gender Recognition Retail 0013 FP16-INT8, Device: CPU. EPYC 4345P was the fastest.

👁 OpenVINO benchmark with settings of Model: Person Detection FP16, Device: CPU. EPYC 4585PX was the fastest.

👁 OpenVINO benchmark with settings of Model: Person Detection FP16, Device: CPU. EPYC 4345P was the fastest.

👁 OpenVINO benchmark with settings of Model: Weld Porosity Detection FP16-INT8, Device: CPU. EPYC 4585PX was the fastest.

👁 OpenVINO benchmark with settings of Model: Weld Porosity Detection FP16-INT8, Device: CPU. EPYC 4345P was the fastest.

👁 OpenVINO benchmark with settings of Model: Vehicle Detection FP16-INT8, Device: CPU. EPYC 4585PX was the fastest.

Intel's own OpenVINO AI toolkit is another notable AI workload very well optimized for AVX-512 (and AMX) on CPUs where supported... Sadly for the Xeon E-2400 and Xeon 6300 series, there is no AVX-512 and thus the EPYC 4005 processors winning by a landslide in performance and performance-per-Watt.

👁 OpenVINO benchmark with settings of Model: Machine Translation EN To DE FP16, Device: CPU. EPYC 4585PX was the fastest.

👁 OpenVINO benchmark with settings of Model: Machine Translation EN To DE FP16, Device: CPU. EPYC 4345P was the fastest.

👁 OpenVINO benchmark with settings of Model: Road Segmentation ADAS FP16-INT8, Device: CPU. EPYC 4585PX was the fastest.

👁 OpenVINO benchmark with settings of Model: Person Re-Identification Retail FP16, Device: CPU. EPYC 4585PX was the fastest.

👁 OpenVINO benchmark with settings of Model: Person Re-Identification Retail FP16, Device: CPU. EPYC 4345P was the fastest.

Even when AVX-512 was disabled it was interesting to see the EPYC 4005 processors still delivering better performance than the Xeon 6369P in a number of the benchmarks. The Xeon 6369P cores as a reminder are derived from Raptor Lake.

👁 ONNX Runtime benchmark with settings of Model: fcn-resnet101-11, Device: CPU, Executor: Standard. EPYC 4585PX was the fastest.

Microsoft's ONNX also ran exceptionally well on the AMD EPYC 4345P and 4585PX processors in relation to the Xeon 6369P.

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URL: https://www.phoronix.com/review/amd-epyc-4005-avx512/5

⇱ AVX-512's Enormous Advantage For AMD EPYC 4005 Series Performance Review - Phoronix

AVX-512's Enormous Advantage For AMD EPYC 4005 Series Performance