Intel Xeon W 3175X 's Advantages
Released 7 years and 9 months late
Higher specification of memory (2666 vs 1333)
Higher base frequency (3.1GHz vs 1.733GHz)
Larger L3 cache size (38.5MB vs 18MB)
More modern manufacturing process (14nm vs 32nm)
Xeon E7 2803 's Advantages
Lower TDP (105W vs 255W)