Intel Xeon E5 1660 's Advantages
Higher base frequency (3.3GHz vs 2.4GHz)
Lower TDP (130W vs 500W)
Xeon 6972P 's Advantages
Released 12 years and 6 months late
Higher specification of memory (8800 vs 3)
Newer PCIe version (5 vs 3)
Larger L3 cache size (480MB vs 15MB)
More modern manufacturing process (5nm vs 32nm)