AMD EPYC 9755 Delivers Decisive Performance Leadership Over Xeon 6 Granite Rapids With Nearly 500 Benchmarks

Written by Michael Larabel in Processors on 30 January 2026 at 10:30 AM EST. Page 4 of 8. 8 Comments.

👁 spaCy benchmark with settings of Model: en_core_web_lg. Xeon 6980P 2P was the fastest.

👁 LULESH benchmark with settings of . Xeon 6980P 2P was the fastest.

The Xeon 6980P MRDIMM memory bandwidth advantage does help out for it in some HPC workloads.

👁 SU2 benchmark with settings of Input: SANDIA Jet. EPYC 9755 2P was the fastest.

👁 WarpX benchmark with settings of Input: Plasma Acceleration. EPYC 9755 2P was the fastest.

👁 WarpX benchmark with settings of Input: Laser Acceleration. EPYC 9755 2P was the fastest.

👁 RELION benchmark with settings of Test: Basic, Device: CPU. EPYC 9755 2P was the fastest.

👁 Xcompact3d Incompact3d benchmark with settings of Input: Pipe Flow. EPYC 9755 2P was the fastest.

👁 Xcompact3d Incompact3d benchmark with settings of Input: Gravity Current. EPYC 9755 2P was the fastest.

👁 Xcompact3d Incompact3d benchmark with settings of Input: ABL-Atmospheric-Boundary-Layer. EPYC 9755 2P was the fastest.

But most often the AMD EPYC 9755 2P was delivering decisive performance leadership across these HPC workloads tested, including many new/updated benchmarks.

👁 GPAW benchmark with settings of Input: Carbon Nanotube. EPYC 9755 2P was the fastest.

👁 Quicksilver benchmark with settings of Input: CORAL2 P1. EPYC 9755 2P was the fastest.

👁 Quicksilver benchmark with settings of Input: CTS2. EPYC 9755 2P was the fastest.

In some benchmarks the Xeon 6980P 2P performance is atrocious, which seems to be due to some single to dual socket scalability issues on the Granite Rapids side. There seem to be some Granite Rapids single to dual socket scalability issues not seen with AMD EPYC or prior Intel Xeon processors as much.

👁 NWChem benchmark with settings of Input: C240 Buckyball. EPYC 9755 2P was the fastest.

👁 CP2K Molecular Dynamics benchmark with settings of Input: H20-512. Xeon 6980P 2P was the fastest.

👁 High Performance Conjugate Gradient benchmark with settings of X Y Z: 104 104 104, RT: 60. Xeon 6980P 2P was the fastest.

👁 High Performance Conjugate Gradient benchmark with settings of X Y Z: 144 144 144, RT: 60. Xeon 6980P 2P was the fastest.

👁 Algebraic Multi-Grid Benchmark benchmark with settings of . Xeon 6980P 2P was the fastest.

👁 HeFFTe - Highly Efficient FFT for Exascale benchmark with settings of Test: r2c, Backend: FFTW, Precision: float, X Y Z: 256. Xeon 6980P 2P was the fastest.

👁 HeFFTe - Highly Efficient FFT for Exascale benchmark with settings of Test: r2c, Backend: FFTW, Precision: float, X Y Z: 512. Xeon 6980P 2P was the fastest.

👁 HeFFTe - Highly Efficient FFT for Exascale benchmark with settings of Test: r2c, Backend: FFTW, Precision: double, X Y Z: 512. Xeon 6980P 2P was the fastest.

Granite Rapids with MRDIMM modules help out a lot in workloads like CP2K, AMG, HPCG, and HeFFTe.

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URL: https://www.phoronix.com/review/amd-epyc-intel-xeon-500/4

⇱ AMD EPYC 9755 Delivers Decisive Performance Leadership Over Xeon 6 Granite Rapids With Nearly 500 Benchmarks Review - Phoronix

AMD EPYC 9755 Delivers Decisive Performance Leadership Over Xeon 6 Granite Rapids With Nearly 500 Benchmarks