Intel Xeon X5492 's Advantages
Higher base frequency (3.4GHz vs 3.3GHz)
Intel Xeon E3 1230 v2 's Advantages
Released 3 years and 8 months late
Higher specification of memory (3 vs 3)
Newer PCIe version (3 vs 2)
More modern manufacturing process (22nm vs 45nm)
Lower TDP (69W vs 150W)