Intel Xeon E3 1220L 's Advantages
Lower TDP (20W vs 500W)
Xeon 6972P 's Advantages
Released 13 years and 5 months late
Higher specification of memory (8800 vs 3)
Newer PCIe version (5 vs 3)
Higher base frequency (2.4GHz vs 2.2GHz)
Larger L3 cache size (480MB vs 3MB)
More modern manufacturing process (5nm vs 32nm)