Intel Xeon D 1587 's Advantages
Released 1 years and 5 months late
More modern manufacturing process (14nm vs 22nm)
Lower TDP (65W vs 85W)
Intel Xeon E5 2609 v3 's Advantages
Higher specification of memory (DDR4-1600 vs DDR3)
Higher base frequency (1.9GHz vs 1.7GHz)
Larger L3 cache size (15MB vs 1.5MB)