Intel Xeon E5 2687W v2 's Advantages
Higher base frequency (3.4GHz vs 2.2GHz)
Larger L3 cache size (20MB vs 1.5MB)
Intel Xeon D 1518 's Advantages
Released 1 years and 6 months late
Higher specification of memory (4 vs 3)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (35W vs 130W)