Intel Xeon E5 2403 's Advantages
Lower TDP (80W vs 140W)
Intel Xeon W 2195 's Advantages
Released 5 years and 3 months late
Higher specification of memory (DDR4-2666 vs DDR3)
Higher base frequency (2.3GHz vs 1.8GHz)
Larger L3 cache size (24.75MB vs 10MB)
More modern manufacturing process (14nm vs 32nm)