Opteron 6380 's Advantages
Higher base frequency (2.5GHz vs 1.4GHz)
Larger L3 cache size (8MB vs 6MB)
Pentium 1405 V2 's Advantages
Released 1 years and 2 months late
Higher specification of memory (DDR3-1333 vs DDR3)
Newer PCIe version (3 vs 2)
Lower TDP (40W vs 115W)