AMD EPYC 9554 's Advantages
Higher base frequency (3.1GHz vs 2.25GHz)
Lower TDP (360W vs 500W)
AMD EPYC 9965 's Advantages
Released 1 years and 11 months late
Higher specification of memory (6000 vs 4800)
Larger L3 cache size (384MB vs 256MB)
More modern manufacturing process (3nm vs 5nm)