Intel Xeon E7 8880 v3 's Advantages
Released 5 years and 10 months late
Higher specification of memory (1866 vs 1333)
Newer PCIe version (3 vs 2)
Larger L3 cache size (45MB vs 8MB)
More modern manufacturing process (22nm vs 45nm)
Xeon W5590 's Advantages
Higher base frequency (3.333GHz vs 2.3GHz)
Lower TDP (130W vs 150W)