Intel Xeon E5 2670 's Advantages
Higher base frequency (2.6GHz vs 2.5GHz)
Lower TDP (115W vs 175W)
Xeon 6523P B 's Advantages
Released 12 years and 11 months late
Higher specification of memory (5600 vs 3)
Newer PCIe version (5 vs 3)
Larger L3 cache size (96MB vs 20MB)
More modern manufacturing process (5nm vs 32nm)