Intel Xeon E5 1620 v2 's Advantages
Released 10 months late
Higher specification of memory (1866 vs 1600)
Newer PCIe version (3 vs 2)
Higher base frequency (3.7GHz vs 2.8GHz)
Larger L3 cache size (10MB vs 8MB)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (130W vs 140W)