Intel Xeon E3 1290 v2 's Advantages
Released 2 years and 2 months late
Newer PCIe version (3 vs 2)
Higher base frequency (3.7GHz vs 3.333GHz)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (87W vs 130W)
Intel Xeon W3680 's Advantages
Larger L3 cache size (12MB vs 8MB)