Intel Xeon E5 2680 v2 's Advantages
Larger L3 cache size (25MB vs 13.75MB)
Lower TDP (115W vs 120W)
Intel Xeon W 2150B 's Advantages
Released 4 years and 3 months late
Higher specification of memory (2666 vs 3)
Higher base frequency (3GHz vs 2.8GHz)
More modern manufacturing process (14nm vs 22nm)