Intel Xeon E3 1280 v3 's Advantages
Higher base frequency (3.6GHz vs 2.1GHz)
Lower TDP (82W vs 500W)
Xeon 6979P 's Advantages
Released 11 years and 3 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 22nm)