Intel Xeon D 1581 's Advantages
Released 3 years and 9 months late
Higher specification of memory (4 vs 3)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (65W vs 69W)
Intel Xeon E3 1230 v2 's Advantages
Higher base frequency (3.3GHz vs 1.8GHz)
Larger L3 cache size (8MB vs 1.5MB)