Intel Xeon E3 1280 v5 's Advantages
Higher base frequency (3.7GHz vs 2.1GHz)
Lower TDP (80W vs 500W)
Xeon 6979P 's Advantages
Released 8 years and 11 months late
Higher specification of memory (8800 vs 4)
Newer PCIe version (5 vs 3)
Larger L3 cache size (504MB vs 8MB)
More modern manufacturing process (5nm vs 14nm)