Intel Xeon E5603 's Advantages
Lower TDP (80W vs 180W)
AMD EPYC 7601 's Advantages
Released 6 years and 4 months late
Higher specification of memory (2666 vs 3)
Newer PCIe version (3 vs 2)
Higher base frequency (2.2GHz vs 1.6GHz)
Larger L3 cache size (64MB vs 4MB)
More modern manufacturing process (14nm vs 32nm)