Intel Xeon E5 1620 v2 's Advantages
Released 3 years and 6 months late
Higher specification of memory (1866 vs 3)
Newer PCIe version (3 vs 2)
Higher base frequency (3.7GHz vs 2.133GHz)
More modern manufacturing process (22nm vs 32nm)
Intel Xeon L5630 's Advantages
Larger L3 cache size (12MB vs 10MB)
Lower TDP (40W vs 130W)