Intel Xeon W3690 's Advantages
Higher base frequency (3.466GHz vs 2GHz)
Lower TDP (130W vs 160W)
Xeon 6543P B 's Advantages
Released 14 years late
Higher specification of memory (5600 vs 3)
Newer PCIe version (5 vs 2)
Larger L3 cache size (128MB vs 12MB)
More modern manufacturing process (5nm vs 32nm)