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Fluctuating core speeds on 6800XT

post #1 of 7
Thread Starter 
When I record a piece of a benchmark with Rivatuner it shows that the core speed of my videocard is jumping back from 380 to 300 all the time. What could be wrong?
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post #2 of 7
Thread Starter 
Here is a screenshot of it:



I heard something about Geometric delta... but I only saw it as an option on 7800GT/GTX?
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post #3 of 7
Thread Starter 
Come on someone's gotta have a suggestion.
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post #4 of 7
What were you doing while it was at 288 and at 380?

On my 7800gt it idles at 275 in windows and jumps to 438 when I run a 3D app/game.
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post #5 of 7
Thread Starter 
Quote:
Originally Posted by Doberman
What were you doing while it was at 288 and at 380?

On my 7800gt it idles at 275 in windows and jumps to 438 when I run a 3D app/game.
It drops to 300 as soon as I run a benchmark. It was fine before, it didn't start happening until yesterday. When I stop the benchmark and check back, it gets back to 380 again.. or it already is, as shown on the graph it's pretty random.
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post #6 of 7
Quote:
Originally Posted by Acoma_Andy
It drops to 300 as soon as I run a benchmark. It was fine before, it didn't start happening until yesterday. When I stop the benchmark and check back, it gets back to 380 again.. or it already is, as shown on the graph it's pretty random.
Check and make sure you didn't accidently switch the clock settings around (Higher clock for 2D and Low 3D, lower clock for high end 3D)
post #7 of 7
Thread Starter 
Quote:
Originally Posted by Namrac
Check and make sure you didn't accidently switch the clock settings around (Higher clock for 2D and Low 3D, lower clock for high end 3D)
I'm pretty sure I didn't do that. Oh well, I'll just remove all drivers (chipset drivers etc.) and start from scratch again.
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