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HD 5870, running 2d clocks in 3d apps

Last response: in Graphics & Displays
March 29, 2010 9:08:25 PM

My 5870 refuses to run in 3d clocks which causes unbearable stuttering in Guitar Hero 3. Is there any way I can force it to run in 3d clocks while I'm playing the game and then throttle back when I'm finished playing?
March 30, 2010 9:18:58 AM

Open ATI CCC and in "Overdrive" set your core/memory clock manually
April 1, 2010 3:55:48 PM

It's at 890/1225
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April 2, 2010 4:33:56 AM

Maziar said:
The stock 3D speed is 850/1200 and yours are 890/1225(i think your card is factory OC'd)and the speed is correct.
What software did you test to find that you are running @ 2D clocks in 3D apps ?

I OC'd it myself, and I used MSI afterburner played a 5 minute song and then checked what it was doing. It was running at 157/300
April 2, 2010 6:44:52 AM

Well in 2D apps it runs @ 157/300 and playing a song is actually in 2D mode.
So run a game and test with it.
BTW although MSI Afterburner is a good tool but it has some problems,so check your speed with GPU-Z/ATI CCC