Intel Xeon E3 1575M v5 's Advantages
Lower TDP (45W vs 120W)
Intel Xeon W 2104 's Advantages
Released 1 years and 7 months late
Higher specification of memory (DDR4-2666 vs DDR3)
Higher base frequency (3.2GHz vs 3GHz)
Larger L3 cache size (8.25MB vs 8MB)