Intel Xeon E3 1285 v6 's Advantages
Higher base frequency (4.1GHz vs 2.1GHz)
Lower TDP (79W vs 120W)
Intel Xeon w3 2423 's Advantages
Released 5 years and 6 months late
Higher specification of memory (4400 vs 4)
Newer PCIe version (5 vs 3)
Larger L3 cache size (15MB vs 8MB)
More modern manufacturing process (10nm vs 14nm)