Intel Xeon E5 2687W 's Advantages
Higher base frequency (3.1GHz vs 3GHz)
Lower TDP (150W vs 250W)
Intel Xeon W 3345 's Advantages
Released 9 years and 4 months late
Higher specification of memory (3200 vs 3)
Newer PCIe version (4 vs 3)
Larger L3 cache size (36MB vs 20MB)
More modern manufacturing process (10nm vs 32nm)