Xeon W 1390 's Advantages
Released 5 years and 11 months late
Higher specification of memory (DDR4-3200 vs DDR3-1866)
Newer PCIe version (4 vs 3)
Larger L3 cache size (16MB vs 6MB)
Lower TDP (80W vs 95W)
Intel Xeon E3 1285 v4 's Advantages
Higher base frequency (3.5GHz vs 2.8GHz)