Intel Xeon w3 2425 Advantages
Higher base frequency (3GHz vs 2.3GHz)
Lower TDP (130W vs 235W)
Xeon 6726P B Advantages
Released 2 years late
Higher specification of memory (6400 vs 4400)
Larger L3 cache size (168MB vs 15MB)
More modern manufacturing process (5nm vs 10nm)