Intel Xeon E3 1285 v6 's Advantages
Higher base frequency (4.1GHz vs 2.8GHz)
Lower TDP (79W vs 180W)
AMD EPYC 7402 's Advantages
Released 2 years late
Higher specification of memory (3200 vs 4)
Newer PCIe version (4 vs 3)
Larger L3 cache size (128MB vs 8MB)
More modern manufacturing process (7nm vs 14nm)