Intel Xeon E5 2407 's Advantages
Lower TDP (80W vs 255W)
Intel Xeon W 3175X 's Advantages
Released 6 years and 8 months late
Higher specification of memory (2666 vs 3)
Higher base frequency (3.1GHz vs 2.2GHz)
Larger L3 cache size (38.5MB vs 10MB)
More modern manufacturing process (14nm vs 32nm)