Xeon W 1390 's Advantages
Released 5 years and 11 months late
Higher specification of memory (DDR4-3200 vs DDR3)
Newer PCIe version (4 vs 3)
Higher base frequency (2.8GHz vs 2.2GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (80W vs 115W)
Intel Xeon E7 4850 v3 's Advantages
Larger L3 cache size (35MB vs 16MB)