AMD EPYC 9965 's Advantages
Released 13 years and 8 months late
Higher specification of memory (6000 vs 3)
Newer PCIe version (5 vs 2)
Higher base frequency (2.25GHz vs 1.6GHz)
Larger L3 cache size (384MB vs 4MB)
More modern manufacturing process (3nm vs 32nm)
Intel Xeon E5603 's Advantages
Lower TDP (80W vs 500W)