Intel Xeon E5645 's Advantages
Higher base frequency (2.4GHz vs 2.3GHz)
Lower TDP (80W vs 320W)
AMD EPYC 9645 's Advantages
Released 14 years and 7 months late
Higher specification of memory (6000 vs 3)
Newer PCIe version (5 vs 2)
Larger L3 cache size (256MB vs 12MB)
More modern manufacturing process (3nm vs 32nm)