Xeon W 1390 's Advantages
Released 5 years and 11 months late
Higher specification of memory (3200 vs 2133)
Newer PCIe version (4 vs 3)
Higher base frequency (2.8GHz vs 2.1GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (80W vs 105W)
Intel Xeon E5 4650 v3 's Advantages
Larger L3 cache size (30MB vs 16MB)