AMD EPYC 9645 's Advantages
Released 8 years and 11 months late
Higher specification of memory (6000 vs 4)
Newer PCIe version (5 vs 3)
Higher base frequency (2.3GHz vs 2.2GHz)
Larger L3 cache size (256MB vs 1.5MB)
More modern manufacturing process (3nm vs 14nm)
Intel Xeon D 1531 's Advantages
Lower TDP (35W vs 320W)