Intel Xeon E3 1515M v5 's Advantages
Released 3 years and 8 months late
Higher specification of memory (2133 vs 3)
Higher base frequency (2.8GHz vs 2.6GHz)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (45W vs 115W)
Intel Xeon E5 4650L 's Advantages
Larger L3 cache size (20MB vs 8MB)