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)
Intel Xeon E5 2658 v3 's Advantages
Higher base frequency (2.2GHz vs 2.1GHz)
Larger L3 cache size (30MB vs 15MB)
Lower TDP (105W vs 120W)