Intel Xeon E5 4667 v3 's Advantages
Released 5 years and 10 months late
Higher specification of memory (2133 vs 1333)
Newer PCIe version (3 vs 2)
Larger L3 cache size (40MB vs 8MB)
More modern manufacturing process (22nm vs 45nm)
Xeon W5590 's Advantages
Higher base frequency (3.333GHz vs 2GHz)
Lower TDP (130W vs 135W)