Pentium 1405 V2 's Advantages
Released 5 years and 4 months late
Higher specification of memory (1333 vs 3)
Newer PCIe version (3 vs 2)
More modern manufacturing process (22nm vs 45nm)
Lower TDP (40W vs 150W)
Intel Xeon X5492 's Advantages
Higher base frequency (3.4GHz vs 1.4GHz)