Intel Xeon E3 1245 's Advantages
Higher base frequency (3.3GHz vs 2GHz)
Lower TDP (95W vs 160W)
Xeon 6543P B 's Advantages
Released 13 years and 10 months late
Higher specification of memory (5600 vs 3)
Newer PCIe version (5 vs 3)
Larger L3 cache size (128MB vs 8MB)
More modern manufacturing process (5nm vs 32nm)