AMD EPYC 9184X 's Advantages
Higher base frequency (3.55GHz vs 2.3GHz)
Larger L3 cache size (768MB vs 256MB)
AMD EPYC 9645 's Advantages
Released 1 years and 4 months late
Higher specification of memory (6000 vs 4800)
More modern manufacturing process (3nm vs 5nm)