Intel Xeon E5503 's Advantages
Lower TDP (80W vs 240W)
AMD EPYC 7373X 's Advantages
Released 12 years late
Higher specification of memory (3200 vs 3)
Newer PCIe version (4 vs 2)
Higher base frequency (3.05GHz vs 2GHz)
Larger L3 cache size (768MB vs 4MB)
More modern manufacturing process (7nm vs 45nm)