Intel Xeon D 1518 's Advantages
Released 6 months late
Higher base frequency (2.2GHz vs 1.8GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (35W vs 65W)
Intel Xeon E5 2650L v3 's Advantages
Higher specification of memory (DDR4-2133 vs DDR3)
Larger L3 cache size (30MB vs 1.5MB)