Xeon 6980P 's Advantages
Released 11 years late
Higher specification of memory (8800 vs 3)
Newer PCIe version (5 vs 3)
Higher base frequency (2GHz vs 1.7GHz)
Larger L3 cache size (504MB vs 25MB)
More modern manufacturing process (5nm vs 22nm)
Intel Xeon E5 2650L v2 's Advantages
Lower TDP (70W vs 500W)