Intel Xeon E5 2603 v3 's Advantages
Lower TDP (85W vs 255W)
Intel Xeon W 3175X 's Advantages
Released 4 years and 4 months late
Higher specification of memory (DDR4-2666 vs DDR4-1600)
Higher base frequency (3.1GHz vs 1.6GHz)
Larger L3 cache size (38.5MB vs 15MB)
More modern manufacturing process (14nm vs 22nm)