Intel Xeon E3 1515M v5 's Advantages
Released 7 months late
Higher base frequency (2.8GHz vs 2.6GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (45W vs 135W)
Intel Xeon E5 4627 v3 's Advantages
Higher specification of memory (2133 vs 2133)
Larger L3 cache size (25MB vs 8MB)