Xeon W 1390P 's Advantages
Released 10 years and 3 months late
Higher specification of memory (3200 vs 3)
Newer PCIe version (4 vs 2)
Larger L3 cache size (16MB vs 12MB)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (125W vs 130W)
Intel Xeon X5687 's Advantages
Higher base frequency (3.6GHz vs 3.5GHz)