Xeon W 1390 's Advantages
Released 5 years and 7 months late
Higher specification of memory (DDR4-3200 vs DDR3)
Newer PCIe version (4 vs 3)
Larger L3 cache size (16MB vs 8MB)
Intel Xeon E3 1240 v5 's Advantages
Higher base frequency (3.5GHz vs 2.8GHz)