Intel Xeon w3 2423 's Advantages
Released 2 years and 9 months late
Higher specification of memory (4400 vs 2933)
Newer PCIe version (5 vs 3)
More modern manufacturing process (10nm vs 14nm)
Intel Xeon W 1290 's Advantages
Higher base frequency (3.2GHz vs 2.1GHz)
Larger L3 cache size (20MB vs 15MB)
Lower TDP (80W vs 120W)