Intel Xeon E3 1240L v3 's Advantages
Lower TDP (25W vs 45W)
Intel Xeon E3 1515M v5 's Advantages
Released 1 years and 8 months late
Higher specification of memory (2133 vs 1600)
Higher base frequency (2.8GHz vs 2GHz)
More modern manufacturing process (14nm vs 22nm)