Intel Xeon D 1581 's Advantages
Released 2 years and 5 months late
Higher specification of memory (4 vs 3)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (65W vs 115W)
Intel Xeon E5 2695 v2 's Advantages
Higher base frequency (2.4GHz vs 1.8GHz)
Larger L3 cache size (30MB vs 1.5MB)