Xeon 6980P 's Advantages
Released 7 years and 3 months late
Higher specification of memory (8800 vs 2666)
Newer PCIe version (5 vs 3)
Larger L3 cache size (504MB vs 64MB)
More modern manufacturing process (5nm vs 14nm)
AMD EPYC 7401P 's Advantages
Lower TDP (170W vs 500W)