Pentium 1405 V2 's Advantages
Released 1 years and 10 months late
Higher specification of memory (DDR3-1333 vs DDR3)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (40W vs 95W)
Intel Xeon E5 2660 's Advantages
Higher base frequency (2.2GHz vs 1.4GHz)
Larger L3 cache size (20MB vs 6MB)