AMD EPYC 7663 's Advantages
Released 5 years and 9 months late
Higher specification of memory (DDR4-3200 vs DDR4-1866)
Newer PCIe version (4 vs 3)
Higher base frequency (2GHz vs 1.9GHz)
Larger L3 cache size (256MB vs 30MB)
Intel Xeon E5 4640 v3 's Advantages
Lower TDP (105W vs 240W)