Xeon 6979P 's Advantages
Released 9 years and 8 months late
Higher specification of memory (8800 vs 2133)
Newer PCIe version (5 vs 3)
Larger L3 cache size (504MB vs 30MB)
More modern manufacturing process (5nm vs 22nm)
Intel Xeon E5 2678 v3 's Advantages
Higher base frequency (2.5GHz vs 2.1GHz)
Lower TDP (120W vs 500W)