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 2.2GHz)
More modern manufacturing process (5nm vs 7nm)
Lower TDP (65W vs 200W)
AMD EPYC 7552 's Advantages
Larger L3 cache size (192MB vs 32MB)