Intel Xeon E3 1245 v2 's Advantages
Released 2 years and 9 months late
Newer PCIe version (3 vs 2)
Higher base frequency (3.4GHz vs 3.333GHz)
More modern manufacturing process (22nm vs 45nm)
Lower TDP (77W vs 130W)
Xeon W5590 's Advantages
Higher specification of memory (1333 vs 3)