Intel Xeon E5 2649 v3 's Advantages
Lower TDP (105W vs 500W)
Xeon 6972P 's Advantages
Released 10 years late
Higher specification of memory (8800 vs 2133)
Newer PCIe version (5 vs 3)
Higher base frequency (2.4GHz vs 2.3GHz)
Larger L3 cache size (480MB vs 25MB)
More modern manufacturing process (5nm vs 22nm)