processor speed fluctuating when playing games

ColeLeveling

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Computer specs:
CPU: AMD FX 8320 @3.9
GPU: GTX 660 OC Asus
MOBO: Asrock 960GM/U3S3 FX
RAM: 8GB @ 665 (Is that normal?)
external fan is used while playing games just in case it heats up too much.

The problem I am having is that when I load up any game whether it be CSGO or Arma 3 my processor runs fine for about 5 minutes then the speed of the processor slows down to exactly 1540 Mhz. Don't know why that exact number either. I looked at the bios and there are two settings I saw that could potentially cause this and those were Cool 'n Quiet or Thermal Throttle.
I was also watching my temps as I watched my speed drop. The temperature goes up about 10 or so degrees and then goes back down when the speed goes back up. This is all the information I can think of putting on here, ask some questions and I can give you the information if needed.
(Also the processor multiplier goes from 18.5 to 7.)
 

ColeLeveling

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Alright I can try that, thanks for your feedback so quickly!
 

Deniedstingray

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Np!
 

ColeLeveling

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It did not do anything to the current situation. Should I put all settings in the bios to default then change the turbo to off?
 

boju

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Cool n Quiet can also cause your cpu to lower clocks if idle or needs to regulate voltage to keep the cpu from reaching high temps. 62c is the max you would want to see it be at.

You said your temps increase by 10c, to what exactly?

Your memory speed reading as 665 is fine. Programs read memory as single data rate thats normal. You have 1333MHz DDR3 so data is doubled 665x2 = 1330 close enough. You'll see the true reading in the bios,
 

ColeLeveling

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I was using AMD OverDrive while looking at temps and they went from around 45-47 then up to 55-57
 

ColeLeveling

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My computer is on high performance and has been on for a couple months now.
 

ColeLeveling

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cool and quiet is disabled and overdrive isnt on windows start up.
 

boju

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Solution

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boju

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Underclocking would be just trial and error see if you can reduce the power the cpu is requiring to run at a higher clock you'll be happier with more than the motherboard is restricting it to. Or at least until you can get another motherboard supporting FX 8320/50 rated for 125w cpus

 

ColeLeveling

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Yes that acutally worked, Thank you for your support and after messing with it the max I can go is 2800mhz which isnt that bad considering that it still runs csgo decently.
 

ColeLeveling

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No 2 cores are turned off but 6 cores should be good enough for Arma 3 (cross your fingers) But all in all I would take 6 cores over hardcore frame drops any day. I appreciate you for helping me today. I have tried looking but nothing was quite what was happening to me.