Intel Xeon E5 2683 v3 's Advantages
Higher specification of memory (2133 vs 4)
Larger L3 cache size (35MB vs 1.5MB)
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 120W)