Intel Xeon E3 1225 v3 's Advantages
Released 4 years and 9 months late
Higher specification of memory (1600 vs 3)
Newer PCIe version (3 vs 2)
More modern manufacturing process (22nm vs 45nm)
Lower TDP (84W vs 150W)
Intel Xeon X5492 's Advantages
Higher base frequency (3.4GHz vs 3.2GHz)