Intel Xeon w3 2423 's Advantages
Released 10 years and 11 months late
Higher specification of memory (4400 vs 1600)
Newer PCIe version (5 vs 3)
More modern manufacturing process (10nm vs 32nm)
Intel Xeon E5 2689 's Advantages
Higher base frequency (2.6GHz vs 2.1GHz)
Larger L3 cache size (20MB vs 15MB)
Lower TDP (115W vs 120W)