question on idling speeds with an i5-760

[rothchilds]

Just put together an i5-760 with a gigabyte P55. Now am I correct in my assumption that when leaving the chip and bios basically stock with turbo on, the cpu with throttle down when there is no load and reduce voltage and clock speeds automatically and raise back up as needed, but if I put a manual overclock in, it wont throttle down at idle?

I've been observing it using real temp and cpuid, and can see the cpu change up under stock settings, but it never changes if I put in a manual overclock of 160x22, it always stays loaded at 3520. Is there a way to be able to set my overclock, but have the throttle down characteristics so that when Im surfing or typing, the cpu is not generating that much power/heat?

 

[IGemini]

Depends on what your hardware supports. For what you want, EIST and C-State (or some iteration mentioning C1E thru C7) would be enabled in BIOS but not all boards allow them with a manual overclock.

 

[rothchilds]

nevermind, figured it out after some more searching and this thread http://forums.anandtech.com/showthread.php?t=2097577

apparantly "auto" doesnt mean those power saving features are neccessarily on, but "enabled" does.

 

[betasub]

^ Correct, on a typical BIOS you will need to actively ENABLE these settings, because when making other manual changes they tend to default to AUTO=OFF.

 

[jonks]

Hey, I just got the same mobo/cpu setup as op. I do NOT plan on oc'ing, but will be gaming. Will the stock intel heatsink be ok? I can't imagine they sell millions of these things with heatsinks that allow the chip to get fried all the time.

 

[IGemini]

You could use the stock HSF, but I honestly never recommend it. AMD actually bundles a semi-decent cooler with their processors, Intel not so much. Better to even spend $15-20 on a good cheap cooler. Thermal wear is public enemy #1 with computer tech.

 

[betasub]

Stock intel cpu speed, at stock voltage => stock cooler should be fine provided your case has sufficient air-flow. Intel's thermal protection will limit Turbo, and in extreme cases even throttle to lower speeds.