Intel Xeon X5687 's Advantages
Higher base frequency (3.6GHz vs 3GHz)
Intel Xeon W 2150B 's Advantages
Released 6 years and 10 months late
Higher specification of memory (DDR4-2666 vs DDR3)
Newer PCIe version (3 vs 2)
Larger L3 cache size (13.75MB vs 12MB)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (120W vs 130W)