M3A overclocking

[Thesavage]

Yes you are correct, however not all applicatios exhibit the same behaviour switching between ganged and unganged.eg (below is a good analysis of the Phenom cpumemory subsystem)
http://www.lostcircuits.com/cpu/amd_phenom/9.shtml
Also the effect of northbridge frequency,
http://www.lostcircuits.com/cpu/amd_phenom/21.shtml
http://www.lostcircuits.com/cpu/amd_phenom/22.shtml
Also George ou posted a table with the link between memory speed core speed and the efficiency of the memory controller at various frequencies(if i could only find where i saved it)
And this would help to explain some differences at various frequencies.