Intel Xeon w3 2423 's Advantages
Higher specification of memory (4400 vs 3200)
Newer PCIe version (5 vs 4)
Lower TDP (120W vs 135W)
Xeon D 2899NT 's Advantages
Released 10 months late
Higher base frequency (2.2GHz vs 2.1GHz)
Larger L3 cache size (30MB vs 15MB)