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 3 of 11. 19 Comments.

👁 Blender benchmark with settings of Blend File: BMW27, Compute: CPU-Only. EPYC 4585PX was the fastest.

👁 Blender benchmark with settings of Blend File: Junkshop, Compute: CPU-Only. EPYC 4585PX was the fastest.

It was fun running these benchmarks to see how far an entry-level AMD EPYC server performance and power efficiency compares to AMD's original EPYC server processor from eight years ago.

👁 OSPRay benchmark with settings of Benchmark: gravity_spheres_volume/dim_512/ao/real_time. EPYC 4585PX was the fastest.

👁 OSPRay benchmark with settings of Benchmark: gravity_spheres_volume/dim_512/scivis/real_time. EPYC 4585PX was the fastest.

👁 OSPRay benchmark with settings of Benchmark: particle_volume/ao/real_time. EPYC 4585PX was the fastest.

When getting to server workloads making use of AVX-512, the performance and power efficiency uplift is insane compared to the older AMD EPYC servers.

👁 OSPRay Studio benchmark with settings of Camera: 1, Resolution: 1080p, Samples Per Pixel: 16, Renderer: Path Tracer, Acceleration: CPU. EPYC 4585PX was the fastest.

👁 OSPRay Studio benchmark with settings of Camera: 3, Resolution: 1080p, Samples Per Pixel: 1, Renderer: Path Tracer, Acceleration: CPU. EPYC 4585PX was the fastest.

👁 OSPRay Studio benchmark with settings of Camera: 3, Resolution: 1080p, Samples Per Pixel: 16, Renderer: Path Tracer, Acceleration: CPU. EPYC 4585PX was the fastest.

👁 Embree benchmark with settings of Binary: Pathtracer ISPC, Model: Asian Dragon. EPYC 4585PX was the fastest.

👁 Embree benchmark with settings of Binary: Pathtracer ISPC, Model: Crown. EPYC 4585PX was the fastest.

Huge advantages in AVX-512 workloads from going with a modern AMD budget server versus a generations old, used higher-end server platform.

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URL: https://www.phoronix.com/review/amd-epyc-4005-server/3

⇱ 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