Intel Xeon E3 1558L v5 's Advantages
Lower TDP (45W vs 255W)
Intel Xeon W 3175X 's Advantages
Released 2 years and 8 months late
Higher specification of memory (2666 vs 2133)
Higher base frequency (3.1GHz vs 1.9GHz)
Larger L3 cache size (38.5MB vs 8MB)