Xeon W 1390P's Advantages
Released 5 years and 3 months late
Higher specification of memory (DDR4-3200 vs DDR3)
Newer PCIe version (4 vs 3)
Higher base frequency (3.5GHz vs 1.7GHz)
Larger L3 cache size (16MB vs 1.5MB)
Intel Xeon D 1587's Advantages
Lower TDP (65W vs 125W)