Intel Xeon E5 2687W v3 's Advantages
Higher base frequency (3.1GHz vs 3GHz)
Lower TDP (160W vs 250W)
Intel Xeon W 3345 's Advantages
Released 6 years and 10 months late
Higher specification of memory (3200 vs 2133)
Newer PCIe version (4 vs 3)
Larger L3 cache size (36MB vs 25MB)
More modern manufacturing process (10nm vs 22nm)