Intel Xeon E5 2690 v2 's Advantages
Higher base frequency (3GHz vs 2.1GHz)
Lower TDP (130W vs 500W)
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)