Intel Xeon E5 2620 v3 's Advantages
Higher specification of memory (1866 vs 4)
Higher base frequency (2.4GHz vs 2.2GHz)
Larger L3 cache size (15MB vs 1.5MB)
Intel Xeon D 1518 's Advantages
Released 6 months late
More modern manufacturing process (14nm vs 22nm)
Lower TDP (35W vs 85W)