AMD EPYC 9645 's Advantages
Released 9 years and 4 months late
Higher specification of memory (6000 vs 1866)
Newer PCIe version (5 vs 3)
Larger L3 cache size (256MB vs 45MB)
More modern manufacturing process (3nm vs 22nm)
Intel Xeon E7 8890 v3 's Advantages
Higher base frequency (2.5GHz vs 2.3GHz)
Lower TDP (165W vs 320W)