Intel Xeon E5 2603 v3 's Advantages
Lower TDP (85W vs 140W)
Intel Xeon W 2195 's Advantages
Released 2 years and 11 months late
Higher specification of memory (2666 vs 1600)
Higher base frequency (2.3GHz vs 1.6GHz)
Larger L3 cache size (24.75MB vs 15MB)
More modern manufacturing process (14nm vs 22nm)