Xeon E 2176G 's Advantages
Higher base frequency (3.7GHz vs 2.4GHz)
Lower TDP (80W vs 500W)
Xeon 6972P 's Advantages
Released 6 years and 2 months late
Higher specification of memory (8800 vs 2666)
Newer PCIe version (5 vs 3)
Larger L3 cache size (480MB vs 12MB)
More modern manufacturing process (5nm vs 14nm)