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ATI + Nvidia in SLI/Crossfire

Last response: in Graphics & Displays
April 9, 2010 11:23:41 PM

I have an ATI HD Radeon 5800 series card.
If i add a Nvidia 400 series card to it, will these 2 puppies play nice?

Ive been looking to get another graphics card for a grand total of 2. The 480 coming out looks pretty sexy. I might end up just getting another 5800 series....but itd be nice to know the option is there to run a mix of an ati and an nvidia card in crossfire/sli mode.
a c 1318 U Graphics card
a c 147 Î Nvidia
April 9, 2010 11:40:29 PM

They wont play at all. You have two options running them independently for multiple monitors or use the GTX4xx as Physcx (way overkill)
a c 130 U Graphics card
a b Î Nvidia
April 10, 2010 12:01:47 AM

You can if you get a Lucid Hydra board. Though IIRC it doesn't scale all....
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a c 212 U Graphics card
a b Î Nvidia
April 10, 2010 12:08:53 AM

You can't mix SLI and Xfore but you certainly can add an Nvidia card as a dedicated PhysX card. However, the 400 series is way way overkill for a dedicated PhysX card.

To see the difference a $65 (GT220) investment can make, see the video here:

Twin 5800's in Xfire and a GTS 250 would rock your world

a b U Graphics card
April 10, 2010 2:08:28 AM

Thats the manufacturer of the chips.

You would want a motherboard that features those chips. The only one out is the MSI Big Bang which is a P55.
April 11, 2010 11:21:18 PM

So if i throw in a nvidia card it will only work as a physx card?
a c 169 U Graphics card
a b Î Nvidia
April 12, 2010 6:50:29 AM

As others said you can't use an ATI card with a Nvidia card on a single board unless its Lucid Hydra board(which currently doesn't scale well as either SLI or CF)
So if you want to use an ATI card with a Nvidia card,the Nvidia card will be used as a PhysX card
April 21, 2010 4:01:12 PM

Best answer selected by Jamesyboy.