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 140W)
Intel Xeon E5 1660 v3 's Advantages
Higher base frequency (3GHz vs 2.1GHz)
Larger L3 cache size (20MB vs 15MB)