Intel Xeon E3 1220 v3 's Advantages
Released 4 years late
Higher specification of memory (1600 vs 1333)
Newer PCIe version (3 vs 2)
Higher base frequency (3.1GHz vs 2.5GHz)
Larger L3 cache size (8MB vs 6MB)
More modern manufacturing process (22nm vs 45nm)
Lower TDP (80W vs 115W)