Intel Xeon w3 2423 's Advantages
Released 8 years and 5 months late
Higher specification of memory (4400 vs 2133)
Newer PCIe version (5 vs 3)
More modern manufacturing process (10nm vs 22nm)
Lower TDP (120W vs 135W)
Intel Xeon E5 1686 v3 's Advantages
Higher base frequency (2.6GHz vs 2.1GHz)
Larger L3 cache size (30MB vs 15MB)