Intel Xeon E3 1285L v3 's Advantages
Released 3 years and 10 months late
Newer PCIe version (3 vs 2)
More modern manufacturing process (22nm vs 45nm)
Lower TDP (65W vs 130W)
Xeon W5590 's Advantages
Higher specification of memory (1333 vs 4)
Higher base frequency (3.333GHz vs 3.1GHz)