Xeon 6979P 's Advantages
Released 11 years late
Higher specification of memory (8800 vs 3)
Newer PCIe version (5 vs 3)
Larger L3 cache size (504MB vs 25MB)
More modern manufacturing process (5nm vs 22nm)
Intel Xeon E5 2670 v2 's Advantages
Higher base frequency (2.5GHz vs 2.1GHz)
Lower TDP (115W vs 500W)