Intel Xeon W3690 's Advantages
Higher base frequency (3.466GHz vs 2.3GHz)
Lower TDP (130W vs 235W)
Xeon 6726P B 's Advantages
Released 14 years late
Higher specification of memory (6400 vs 3)
Newer PCIe version (5 vs 2)
Larger L3 cache size (168MB vs 12MB)
More modern manufacturing process (5nm vs 32nm)