Intel Xeon E3 1220 v3 's Advantages
Higher base frequency (3.1GHz vs 2.2GHz)
Lower TDP (80W vs 330W)
Xeon 6780E 's Advantages
Released 11 years late
Higher specification of memory (DDR5-6400 vs DDR3-1600)
Newer PCIe version (5 vs 3)
Larger L3 cache size (108MB vs 8MB)
More modern manufacturing process (7nm vs 22nm)