EPYC 9965 vs EPYC 9755

The EPYC 9965 packs 192 cores / 384 threads, while the EPYC 9755 offers 128 cores / 256 threads — the EPYC 9965 has 64 more cores. Boost clocks reach 3.7 GHz on the EPYC 9965 versus 4.1 GHz on the EPYC 9755 — a 10.3% clock advantage for the EPYC 9755 (base: 2.25 GHz vs 2.7 GHz). Both are built on the Turin (2024) architecture using a 3 nm process. In PassMark, the EPYC 9965 scores 160,778 against the EPYC 9755's 166,328 — a 3.4% lead for the EPYC 9755. Geekbench 6 single-core — the metric most relevant to gaming — records 1,520 vs 2,800, a 59.3% lead for the EPYC 9755 that directly translates to higher frame rates. L3 cache: 384 MB (total) on the EPYC 9965 vs 512 MB (total) on the EPYC 9755.

Both processors use the SP5 socket with PCIe 5.0. Both support up to DDR5-6000 memory speed. The EPYC 9755 supports up to 9 TB of RAM compared to 6 TB — 40% more capacity for professional workloads. Both feature 12-channel memory with ECC support. Both provide 128 PCIe lanes. Chipset compatibility: SP5 (EPYC 9965) and SP5 (EPYC 9755).

Both support AMD-V, SEV-SNP virtualization. Primary use case: EPYC 9965 targets Data Center / High Density, EPYC 9755 targets Data Center / Cloud Computing. Direct competitor: EPYC 9965 rivals Xeon 6980P; EPYC 9755 rivals Xeon 6980P.

The EPYC 9965 launched at $14813 MSRP, while the EPYC 9755 debuted at $12984. At current prices ($10000 vs $10931), the EPYC 9965 is $931 cheaper. In terms of value (PassMark points per dollar), the EPYC 9965 delivers 16.1 pts/$ vs 15.2 pts/$ for the EPYC 9755 — making the EPYC 9965 the 5.5% better value option.