Xeon 6979P 's Advantages
Released 10 years late
Higher specification of memory (8800 vs 1866)
Newer PCIe version (5 vs 3)
Larger L3 cache size (504MB vs 20MB)
More modern manufacturing process (5nm vs 22nm)
Intel Xeon E5 2629 v3 's Advantages
Higher base frequency (2.4GHz vs 2.1GHz)
Lower TDP (85W vs 500W)