Core and Memory clock fluctuating

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jakewat97

jakewat97

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Dec 15, 2012
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Still having on going problems with spiking/ fluctuating of my gpu core and memory clocks as well as visible voltage spikes. Driver re-installs have not helped and integrated graphics is disabled so there is no possibility of a problem there. This problem does not cause performance issues and only happens when on the desktop and while there is something going on on the screen, if I leave it completely idle there is no issue and if I play games the clocks are constant. Here's a pic of the problem which I recorded after swinging my mouse around an empty screen:
15d6p09.jpg

Any help would be appreciated thanks.
 
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jakewat97

jakewat97

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The load is not completely flatlining, when I hover over that flat bit it says 135mhz, but I still doubt I have a virus.
GPU-Z won't be the problem as the same readings appear on PrecisionX.
 
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jakewat97

jakewat97

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Not sure if anyone is still following this thread but I seem to have found the problem. When I unplugged my second screen I only get a single spike (as seen in the pic), compared to multiple like in the picture, whenever I open a new application window after it just sits at 135mhz which is much better. Unfortunately I really need my second screen and use it all the time so I am going to have to put up with the problem for now or find some way to fix it.
The screen is an old 19" viewsonic and may be causing problem because it's old and is probably dying.
 
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Kari

Kari

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Jun 16, 2004
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wiht dual monitor setups the cards usually use higher clocks anyways so it has probably nothing to do with the 2nd monitor being old. If you check video card reviews at TPU they test power usage under several different scenarios, multi monitors being one. Especially AMD cards use elevated clocks while the latests from Nvidia stay at idle clocks (most of the time) so I'd guess it is working as intended. :)
http://www.techpowerup.com/reviews/ASUS/MARS_GTX_760/22.html (power readings)
http://www.techpowerup.com/reviews/Powercolor/R9_270X_PCS_Plus/28.html (scroll down a little for clock profile example on a 270x)


 
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Z

Zack Fulmer

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Dec 12, 2013
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Here's my solution. Say your card is idle at 340 mhz, then when you do med/high gaming or intense programs, the GPU clock will go up say to like 1000 mhz clock. Just like mine. Mine is superclocked, so it will go to the superclocked speed when needed, but then it goes into a power save mode to save energy and use of the card. Mine has been doing this recently, and i've seen no loss in performance at all from the card. If it saves power and still keeps the same performance as promised, DOUBLE WHAMMY! This is what i've been reading and what makes the most sense to me.
 
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