Suspected CPU Performance Loss

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istari675

Honorable
Nov 20, 2012
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I am having strange micro stuttering and general performance loss in ALL of my games. The micro stutter is very constant and will smooth out a little if I disable AA. In other games I notice that my FPS isn't at the 60 cap and my graphics card isn't anywhere near 100%. I have narrowed it down to my FX-6100 CPU since I have replaced every other part and still had the same problem. These problems still happen if I try overclocking it from 3.3 to 3.8

The only problem I am having diagnosing this problem is that the CPU isn't anywhere near 100% usage either. The only reason I am looking at it is because everything in my computer has been replaced trying to remedy this problem.
 
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Its an ASUS GTX 660 DCU2 OC edition. But this problem has presented itself on a Elitegroup GTS 450, and a Zotec GTX 560 so I don't think that is the problem. I make sure the temp stays under 60C. Also keep the drivers updated but have tried the oldest driver still available.
 
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1920x1080

I don't think that's the problem though because I was playing around in BF4 and set the resolution to the lowest I could and still could feel the game being choppy. This seems to happen in any 3D game I have played that was released in the past few years.



FX-6100 CPU
ASUS GTX 660 DCU2 OC Graphics card
GIGABYTE GA-78LMT-USB3 Motherboard
SP900 SSD
ST2000DL003 HHD (Happens on both drives)

I have mostly noticed the problem playing
BF4
Diablo 3
Firefall
Borderlands 2
 
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The PSU wattage calculator recommended 410 and i'm using a CX430. Do you know of anything I could do to test out my usage to see if im pushing it too hard?
 
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Im using MSI Kombuster and Prime95 to check things out. My video card seems to be working great at 113% power and the overclock is stable. I did notice that the CPU is underclocking itself considerably. Its clock to 3.8 right now, but with all the benchmarks running in Core Temp I can see that each core randomly clocks down to 3.0 for a few seconds. There are always 1-5 cores that are underclocking in this way. Do you think this is a PSU problem, or a motherboard configuration that I need to disable?
 
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I have 8gb of 1333 ram is all I remember. Never seen more than half of it used while playing a game.

Turned off all the power saving features and saw a clear improvement playing BF4. Its not perfect yet but now with that feature turned off I can properly overclock my CPU.

Im hoping the feature causing this problem wasnt a big deal though. I dont want to have my CPU at max settings 24/7. This is just gonna burn it out so much faster even though i'm getting the nice performance boost.
 
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This issue has returned when I got into overclocking the CPU up to 4200. If I put the voltage to 1.4375 its stable but keeps underclocking multiple cores the same way as before. When the voltage is down to 1.4125 it keeps the overclocking up but is very unstable. I need to figure out why its underclocking at the stable voltage or else going through the bad luck of buying 3 bad CPU coolers will be for nothing.
 
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You could have a cpu that is bad for ocing. I'm not a amd overclocking expert so I would make another post in amd overclocking and ask them they know alot more than me at overclocking amd CPUs some one on there should be able to answer your question alot better and than I can. Just tell them your multiplier voltage etc. sorry that I can't totally answer your question.
 
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Anything below 1.4125 and the screen goes black the second I hit apply. I have also seen a lot of people overclocking the 6100 up to 4.7 on the forums and stuff but that was with water cooling.
 
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