Intel Xeon X5492 's Advantages
Higher base frequency (3.4GHz vs 1.8GHz)
Intel Xeon E3 1230L v3 's Advantages
Released 4 years and 9 months late
Higher specification of memory (DDR3-1600 vs DDR2)
Newer PCIe version (3 vs 2)
More modern manufacturing process (22nm vs 45nm)
Lower TDP (25W vs 150W)