Intel Xeon E5 2648L v3 's Advantages
Lower TDP (75W vs 195W)
Xeon 6546P B 's Advantages
Released 10 years and 5 months late
Higher specification of memory (6400 vs 2133)
Newer PCIe version (5 vs 3)
Higher base frequency (2.3GHz vs 1.8GHz)
Larger L3 cache size (128MB vs 30MB)
More modern manufacturing process (5nm vs 22nm)