AMD EPYC 7402 's Advantages
Larger L3 cache size (128MB vs 32MB)
Ryzen 5 PRO 7645 's Advantages
Released 3 years and 10 months late
Higher specification of memory (5200 vs 3200)
Newer PCIe version (5 vs 4)
Higher base frequency (3.8GHz vs 2.8GHz)
More modern manufacturing process (5nm vs 7nm)
Lower TDP (65W vs 180W)