Pentium 1405 V2 's Advantages
Released 3 years and 11 months late
Higher specification of memory (1333 vs 1066)
Newer PCIe version (3 vs 2)
More modern manufacturing process (22nm vs 45nm)
Lower TDP (40W vs 65W)
Xeon EC3529 's Advantages
Higher base frequency (2.133GHz vs 1.4GHz)
Larger L3 cache size (8MB vs 6MB)