Pentium 1405 V2 's Advantages
Released 6 years and 11 months late
Higher specification of memory (1333 vs 667)
Newer PCIe version (3 vs 1)
More modern manufacturing process (22nm vs 90nm)
Lower TDP (40W vs 95W)
Opteron 8220 's Advantages
Higher base frequency (2.8GHz vs 1.4GHz)