Intel Xeon E3 1220L v2 's Advantages
Lower TDP (17W vs 175W)
Xeon 6523P B 's Advantages
Released 12 years and 9 months late
Higher specification of memory (5600 vs 3)
Newer PCIe version (5 vs 3)
Higher base frequency (2.5GHz vs 2.3GHz)
Larger L3 cache size (96MB vs 8MB)
More modern manufacturing process (5nm vs 22nm)