Performance & Power Of The Low-Cost EPYC 4005 "Grado" vs. Original EPYC 7601 Zen 1 Flagship CPU

Written by Michael Larabel in Processors on 1 July 2025 at 10:00 AM EDT. Page 4 of 11. 19 Comments.

👁 PyTorch benchmark with settings of Device: CPU, Batch Size: 256, Model: ResNet-50. EPYC 4585PX was the fastest.

👁 LiteRT benchmark with settings of Model: Mobilenet Float. EPYC 4585PX was the fastest.

👁 LiteRT benchmark with settings of Model: Mobilenet Quant. EPYC 4585PX was the fastest.

👁 LiteRT benchmark with settings of Model: SqueezeNet. EPYC 4585PX was the fastest.

👁 LiteRT benchmark with settings of Model: Inception V4. EPYC 4585PX was the fastest.

👁 LiteRT benchmark with settings of Model: Quantized COCO SSD MobileNet v1. EPYC 4585PX was the fastest.

👁 LiteRT benchmark with settings of Model: DeepLab V3. EPYC 4585PX was the fastest.

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

Especially for anyone looking to do CPU-based AI inferencing on a budget, the AMD EPYC 4005 series obliterates the original higher-core-count. more-memory-channel EPYC Naples servers. Even an AMD EPYC Rome or Milan server is likely to be trounced by EPYC Grado for AI workloads due to the DDR5 memory and AVX-512 with full 512-bit data path.

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URL: https://www.phoronix.com/review/amd-epyc-4005-server/4

⇱ Performance & Power Of The Low-Cost EPYC 4005 "Grado" vs. Original EPYC 7601 Zen 1 Flagship CPU Review - Phoronix

Performance & Power Of The Low-Cost EPYC 4005 "Grado" vs. Original EPYC 7601 Zen 1 Flagship CPU