Intel Xeon E5603 's Advantages
Lower TDP (80W vs 225W)
AMD EPYC 7742 's Advantages
Released 8 years and 6 months late
Higher specification of memory (3200 vs 3)
Newer PCIe version (4 vs 2)
Higher base frequency (2.25GHz vs 1.6GHz)
Larger L3 cache size (256MB vs 4MB)
More modern manufacturing process (7nm vs 32nm)