AMD EPYC 9634 's Advantages
Released 11 years and 9 months late
Higher specification of memory (DDR5-4800 vs DDR3)
Newer PCIe version (5 vs 2)
Higher base frequency (2.25GHz vs 1.6GHz)
Larger L3 cache size (384MB vs 4MB)
Intel Xeon E5603 's Advantages
Lower TDP (80W vs 290W)