AMD EPYC 7642 's Advantages
Released 4 years and 2 months late
Higher specification of memory (DDR4-3200 vs DDR3)
Newer PCIe version (4 vs 3)
Higher base frequency (2.4GHz vs 2.1GHz)
Larger L3 cache size (256MB vs 45MB)
Intel Xeon E7 8870 v3 's Advantages
Lower TDP (140W vs 225W)