AMD EPYC 7642 's Advantages
Released 7 years and 5 months late
Higher specification of memory (DDR4-3200 vs DDR3)
Newer PCIe version (4 vs 3)
Higher base frequency (2.4GHz vs 1.8GHz)
Larger L3 cache size (256MB vs 10MB)
Intel Xeon E5 2603 's Advantages
Lower TDP (80W vs 225W)