Xeon 6979P 's Advantages
Released 10 years late
Higher specification of memory (8800 vs 2133)
Newer PCIe version (5 vs 3)
Higher base frequency (2.1GHz vs 1.8GHz)
Larger L3 cache size (504MB vs 30MB)
More modern manufacturing process (5nm vs 22nm)
Intel Xeon E5 2648L v3 's Advantages
Lower TDP (75W vs 500W)