Intel Xeon E5 4660 v3 's Advantages
Lower TDP (120W vs 500W)
Xeon 6979P 's Advantages
Released 9 years and 3 months late
Higher specification of memory (8800 vs 2133)
Newer PCIe version (5 vs 3)
Larger L3 cache size (504MB vs 35MB)
More modern manufacturing process (5nm vs 22nm)