AMD EPYC 72F3 's Advantages
Higher base frequency (3.7GHz vs 2.3GHz)
Lower TDP (180W vs 320W)
AMD EPYC 9645 's Advantages
Released 3 years and 7 months late
Higher specification of memory (6000 vs 3200)
Newer PCIe version (5 vs 4)
More modern manufacturing process (3nm vs 7nm)