AMD EPYC 7642 's Advantages
Released 8 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 X5687 's Advantages
Higher base frequency (3.6GHz vs 2.4GHz)
Lower TDP (130W vs 225W)