Ryzen 5 PRO 7645 's Advantages
Higher base frequency (3.8GHz vs 2.6GHz)
Lower TDP (65W vs 400W)
AMD EPYC 9655 's Advantages
Released 1 years and 4 months late
Higher specification of memory (6000 vs 5200)
Larger L3 cache size (384MB vs 32MB)
More modern manufacturing process (4nm vs 5nm)