Intel Xeon E5 1607 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 1600)
Newer PCIe version (5 vs 3)
Larger L3 cache size (504MB vs 10MB)
More modern manufacturing process (5nm vs 22nm)