Intel Xeon w3 2423 's Advantages
Released 15 years and 3 months late
Higher specification of memory (4400 vs 3)
Newer PCIe version (5 vs 2)
Higher base frequency (2.1GHz vs 2GHz)
More modern manufacturing process (10nm vs 45nm)
Xeon E5405 's Advantages
Lower TDP (80W vs 120W)