AMD EPYC 7643P 's Advantages
Released 10 years late
Higher specification of memory (DDR4-3200 vs DDR3-1866)
Newer PCIe version (4 vs 3)
Larger L3 cache size (256MB vs 15MB)
Intel Xeon E5 1660 v2 's Advantages
Higher base frequency (3.7GHz vs 2.3GHz)
Lower TDP (130W vs 225W)