AMD EPYC 7643P 's Advantages
Released 13 years and 6 months late
Higher specification of memory (DDR4-3200 vs DDR3)
Newer PCIe version (4 vs 2)
Larger L3 cache size (256MB vs 12MB)
Intel Xeon W3680 's Advantages
Higher base frequency (3.333GHz vs 2.3GHz)
Lower TDP (130W vs 225W)