AMD EPYC 4564P 's Advantages
Higher base frequency (4.5GHz vs 2.3GHz)
Lower TDP (170W vs 320W)
AMD EPYC 9645 's Advantages
Higher specification of memory (6000 vs 5200)
Larger L3 cache size (256MB vs 64MB)
More modern manufacturing process (3nm vs 5nm)