Pentium 1405 V2 's Advantages
Released 2 years and 2 months late
Higher specification of memory (1333 vs 3)
Newer PCIe version (3 vs 2)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (40W vs 115W)
Opteron 6274 's Advantages
Higher base frequency (2.2GHz vs 1.4GHz)
Larger L3 cache size (16MB vs 6MB)