Intel Xeon E5 1607 v2 's Advantages
Larger L3 cache size (10MB vs 8MB)
Intel Xeon E3 1575M v5 's Advantages
Released 2 years and 4 months late
Higher specification of memory (2133 vs 1600)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (45W vs 130W)