Intel Xeon E5 4603 's Advantages
Lower TDP (95W vs 360W)
AMD EPYC 9555 's Advantages
Released 12 years and 5 months late
Higher specification of memory (6000 vs 3)
Newer PCIe version (5 vs 3)
Higher base frequency (3.2GHz vs 2GHz)
Larger L3 cache size (256MB vs 10MB)
More modern manufacturing process (4nm vs 32nm)