Intel Xeon E3 1270L v4 's Advantages
Released 6 years and 9 months late
Higher specification of memory (DDR3-1866 vs DDR2)
Newer PCIe version (3 vs 2)
More modern manufacturing process (14nm vs 45nm)
Lower TDP (45W vs 150W)
Intel Xeon X5492 's Advantages
Higher base frequency (3.4GHz vs 3GHz)