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Different CPU speeds depending on load

post #1 of 6
Thread Starter 
I would like to set it so that my i7 920 runs at default speed 2.67ghz when I'm just browsing or doing nothing intensive and then automatically bump it up to 3.6ghz when I'm running games and other 3d apps.
Can I set that in the bios somehow? By default I think speedstep is enabled but that just toggles between 1.6ghz and 2.67ghz.
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post #2 of 6
there is an app called crystalCPUID : that has an enhanced speedstep control where you can set the three multipliers that speedstep uses you can also set the load threshold that they switch by.
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post #3 of 6
You can't control what it speed steps between manually AFAIK. If you OC the CPU's FSB then the idle speed should increase too.

You can just use software OC software like SetFSB and do this yourself, but stability may be an issue and it will be something of an inconvenience.
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post #4 of 6
Thread Starter 
Ok so how about if I just enable speedstep and set the cpu at 3.6ghz? Will it then just idle at lower speeds?
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post #5 of 6
If you enable speedstep it lowers the multiplier when the CPU is idle. I don't remember what the multi drops to on 1366 i7's, but after you OC it'll drop to the same multiplier, but with the higher FSB it'll be faster than if it had downclocked at stock.
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Maximum Dwarf
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Density!
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1TB RE4 2x3TB WD Red LG 10x BD-R Corsair H80i w/push pull 
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Win 7 Ultimate 3x 1920x1080 LG IPS displays. Razer Mass Effect 3 Blackwidow Ultimate Cooler Master Silent Pro M850 
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Silverstone TJ08B-E R.A.T. 7 An ergonomic one 
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i7 3770k Gigabyte Sniper M3 1155 mATX CORSAIR Vengeance 8GB (2 x 4GB) 1600MHz 1TB WD RE4 
Hard DriveHard DriveHard DriveHard Drive
2TB WD Red 2TB WD Red 4TB WD Red 4TB WD Red 
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post #6 of 6
Thread Starter 
Yeah seems that way. I got it to a stable 3.6ghz which is ok for now and speedstep seems to dropping off randomly to 3.2, 3, 29
Seems like its just dropping a bit of the multiplier at a time but too bad it won't go down more.
Might just leave it at 3.6 all the time since it seems between that and speedstep its only like 2 degrees difference since it doesn't drop too much.
THE Beast
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THE Beast
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Intel i7 5820K GIGABYTE GA-X99-UD5 EVGA GTX 970 FTW EVGA GTX 970 FTW 
RAMHard DriveHard DriveHard Drive
16GB G.Skill Ripjaws 4 DDR4-2666 Samsung EVO 250GB M2 512GB Crucial MX100 Samsung EVO 1TB 
Optical DriveCoolingOSMonitor
Pioneer BDR-209M Corsair H90 Windows 10 Pro 3 x ASUS VS248H-P 
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Corsair MM600 
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