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)
Larger L3 cache size (16MB vs 5MB)
More modern manufacturing process (14nm vs 32nm)
Intel Xeon E5 2637 's Advantages
Higher base frequency (3GHz vs 2.8GHz)