Intel Xeon E3 1220 v3 's Advantages
Released 5 years late
Higher specification of memory (1600 vs 800)
Newer PCIe version (3 vs 2)
Higher base frequency (3.1GHz vs 2.1GHz)
Larger L3 cache size (8MB vs 2MB)
More modern manufacturing process (22nm vs 65nm)
Lower TDP (80W vs 95W)