Two gaming graphics card one GTX, one Radeon, Possible?

Nicholas Hanshaw

Reputable
Apr 27, 2014
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I am going to be building a new gaming rig here in the next few months and am currently in planning stages. I would like to have multiple graphics cards one being an Nvidia GTX and the other being an AMD Radeon. I've been looking and many people say its "impossible" or "it can't be done. But I've also come across some people saying they have done it but you need to install the AMD card first and in the first PCI slot. I am searching for some definitive answer to this because I would like to use both cards in my next build. Reason? Many games run differently depending on what card your running it on, and I would like to be able to use the card the game was optimized for. Also just because i think it would be cool!

Anybody know how to do this?
 
Can you, yes, the way you want to, no.

You can run an AMD card with an Nvidia card running the Physx for it. You would simply be better off picking a single card and going with that. Dual cards have their own issues, two different architectures? Horrible conflicts.
The "better" performance is 2-5 FPS at most, if that. Get a single card.
 

Shneiky

Distinguished
Possible? Maybe - somehow, not very likely, close to impossible. Even if you do manage to get them run side by side - they will be so unstable. Also, I see no reason the drivers will let you.

Instead of wasting money on 2 cards - 1 AMD and 1 Nvidia - just use all that money for a single card. It will offer much more performance and without problems for the same money.
 

mrmez

Splendid
Worst idea ever.

When they say "optimised for AMD" etc, there is only a SLIGHT difference in FPS given the same price point.
You obviously have a budget, yeah. Splitting your budget over 2 half priced cards will likely drop 30-50% FPS.
But hey, at least you can gain MAYBE 5% of that back by switching to an 'optimised card'
 

mrmez

Splendid
An AMD 295x2 (the fastest single card) is ~$1,900 AUD
The fastest NV, GTX Titan is about $1,500.

You were going to spend ~$3,400 on just two graphics cards that you could only use 1 at a time?

The fastest single card is always the best option. SLI / Crossfire won't double your FPS, so cost/performance diminishes greatly, but it's the only option for people running multiple monitors or crazy resolution.