Intel Xeon E5 2420 v2 's Advantages
Lower TDP (80W vs 175W)
Xeon 6523P B 's Advantages
Released 11 years and 5 months late
Higher specification of memory (5600 vs 3)
Higher base frequency (2.5GHz vs 2.2GHz)
Larger L3 cache size (96MB vs 15MB)
More modern manufacturing process (5nm vs 22nm)