Intel Xeon E5 2667 v2 Advantages
Higher base frequency (3.3GHz vs 2.3GHz)
Lower TDP (130W vs 195W)
Xeon 6546P B Advantages
Released 11 years and 5 months late
Higher specification of memory (6400 vs 3)
Newer PCIe version (5 vs 3)
Larger L3 cache size (128MB vs 20MB)
More modern manufacturing process (5nm vs 22nm)