Intel Xeon E3 1515M v5 's Advantages
Released 3 years and 8 months late
Higher specification of memory (2133 vs 3)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (45W vs 69W)
Intel Xeon E3 1270 v2 's Advantages
Higher base frequency (3.5GHz vs 2.8GHz)