Intel Xeon W 2155 's Advantages
Released 2 years and 11 months late
Higher specification of memory (2666 vs 2133)
Higher base frequency (3.3GHz vs 1.8GHz)
More modern manufacturing process (14nm vs 22nm)
Intel Xeon E5 2675 v3 's Advantages
Larger L3 cache size (40MB vs 13.75MB)
Lower TDP (110W vs 140W)