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⇱ AMD EPYC Turin 128 Core Comparison: EPYC 9745 "Zen 5C" vs. EPYC 9755 "Zen 5" Review - Phoronix


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AMD EPYC Turin 128 Core Comparison: EPYC 9745 "Zen 5C" vs. EPYC 9755 "Zen 5"

Written by Michael Larabel in Processors on 2 March 2026 at 04:41 PM EST. Page 5 of 9. 14 Comments.

The performance-per-Watt story continued to be quite compelling across the different HPC workloads tested on the EPYC 9745 and EPYC 9755 processors.

A big advantage with the AMD Zen 5C dense cores as a reminder is that they still have AVX-512 and the full ISA capabilities of the full Zen 5 cores. This helps make the EPYC 9745 performance competitive in these HPC workloads unlike with Intel Xeon 6 Sierra Forest lacking AVX-512.

ASKAP is one of the benchmarks that greatly benefits from the larger cache size.