Intel Xeon E5 1650 v2 's Advantages
Released 2 years and 7 months late
Higher specification of memory (1866 vs 1333)
Newer PCIe version (3 vs 2)
Higher base frequency (3.5GHz vs 2.133GHz)
More modern manufacturing process (22nm vs 32nm)
Xeon L5639 's Advantages
Lower TDP (60W vs 130W)