Originally Posted by Forceman
He seems to imply that running the chip at 1600 MHz is somehow preventing the chip from going into C6, and that running an offset is also preventing the chip from going to C6. But I am doing both of those things and my chip is in C3 and C6 a lot. So I'm not sure his argument hangs together. It applies for guys who disable C3 and C6, I guess, but that's really only recommended when someone has a problem in offset mode (in which case it may be better to run a fixed voltage with C3/C6 enabled). But there is no reason why you shouldn't run offset, power saving enabled, and C3/C6 enabled all at the same time, as long as it works.
If Intel put so much thought into it, then why do they make the chip idle down to 1600? The stock out of the box behavior is basically offset/all power saving enabled/C3C6 enabled. Which is kind of what he is saying don't do.
I think he needs to be clearer that what he is advocating is leaving C3/C6 enabled even if it means running a fixed voltage instead of offset (in case of problems). I don't see what the multiplier has to do with anything.
This part also makes no sense:
No one is forcing their chip to run at 1600 all the time, that's crazy. The chip will always speed up to do the calculation, no matter what the idle behavior is.
really interesting discussions going on here. keep in mind that i am nowhere near being a guru, i don't even know what c6 exactly is.
i do agree with your statements, it makes sense to me.
i do use offset voltage mode, +0.025, all power savings enabled, 3570k cpu is running at 4.5ghz under load, and at 1600ghz when idling.
will it gonna be more efficient if i set it set it to fixed clockspeed and fixed voltage? correct me if i'm wrong but i really don't think so.