Xeon W 1390P 's Advantages
Released 7 years and 8 months late
Higher specification of memory (3200 vs 1866)
Newer PCIe version (4 vs 3)
Higher base frequency (3.5GHz vs 3GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (125W vs 130W)
Intel Xeon E5 1680 v2 's Advantages
Larger L3 cache size (25MB vs 16MB)