Pentium 1405 V2 's Advantages
Released 3 years and 10 months late
Higher specification of memory (1333 vs 3)
Newer PCIe version (3 vs 2)
More modern manufacturing process (22nm vs 32nm)
Intel Xeon L5609 's Advantages
Higher base frequency (1.866GHz vs 1.4GHz)
Larger L3 cache size (12MB vs 6MB)