Intel Xeon E3 1285 v4 's Advantages
Released 5 years and 10 months late
Higher specification of memory (1866 vs 1333)
Newer PCIe version (3 vs 2)
Higher base frequency (3.5GHz vs 3.333GHz)
More modern manufacturing process (14nm vs 45nm)
Lower TDP (95W vs 130W)
Xeon W5590 's Advantages
Larger L3 cache size (8MB vs 6MB)