Intel Xeon D 1518 's Advantages
Released 6 months late
Higher base frequency (2.2GHz vs 2GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (35W vs 52W)
Intel Xeon E5 2608L v3 's Advantages
Higher specification of memory (DDR4-1866 vs DDR3)
Larger L3 cache size (15MB vs 1.5MB)