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ATI & Nvidia drivers at the same time?

post #1 of 8
Thread Starter 
Is it ok for me to run ATI and Nvidia drivers at the same time? I have windows 7 64bit with a 5870, and I want to run a 9400GT for a separate monitor.

Will this be detrimental to my 5870's full potential? I know that typically you need to use drive sweeper to totally get rid of Nvidia drivers if you want to install an ATI card or vice versa...or the drivers will conflict and your gaming-fps will run like crap.

If I leave the Nvidia drivers in, will it decrease my 5870's performance?

thanks
post #2 of 8
you can run 2 monitors off the 5870 without the need for the other card.
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post #3 of 8
Works fine for me.

Using 6870 for display, and a GT240 for physX
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post #4 of 8
Not sure why you would buy another card for monitor support when yours supports 3 displays with Eyefinity..

But yes, you can have them co-exist. One of our boxes at work has a Radeon 3450 and a 9400GT PCI that coexist to run a display, projector and TV..
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post #5 of 8
Thread Starter 
Quote:
Originally Posted by mtbiker033;12180927 
you can run 2 monitors off the 5870 without the need for the other card.

Because if I run more than 1 monitor with the 5870, then it automatically sets the idle core to 400 and idle memory clock to 1000-1200, and it also negates all my overclocking.

So if I use separate GPUs, it maintains the correct idle clocks (which probably saves me idle energy usage despite having an extra GPU) and allows me to maintain my overclocked speeds.
Quote:
Originally Posted by reflex99;12180932 
Works fine for me.

Using 6870 for display, and a GT240 for physX


Thanks, are you using W7? I know that on Vista, when I had ATI & Nvidia drivers installed, my games ran terribly...Crysis ran in the low teens until I uninstalled Nvidia drivers, causing it to jump to the 40s fps.
post #6 of 8
yes, i am on W7.
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post #7 of 8
It'll be totally fine. Windows won't load the Nvidia drivers when your primary ATI drivers are loaded as the display.
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post #8 of 8
Quote:
Originally Posted by Ipwnnubletz;12181739 
It'll be totally fine. Windows won't load the Nvidia drivers when your primary ATI drivers are loaded as the display.

Okay let's say my ATI drivers are loaded as the primary display adapter. Is it possible to unload those drivers and have Windows load the Nvidia drivers without restarting the machine? Thank you
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