Xeon W 1390 's Advantages
Released 9 years and 2 months late
Higher specification of memory (3200 vs 3)
Newer PCIe version (4 vs 3)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (80W vs 150W)
Intel Xeon E5 2687W 's Advantages
Higher base frequency (3.1GHz vs 2.8GHz)
Larger L3 cache size (20MB vs 16MB)