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sli question

post #1 of 15
Thread Starter 
I have a gtx 460 1gb sc video card right now. And with bf3 taking up a lot of cram(more than 1gb) is there anyway I can get a 2gb 560 and sli them? And get the game to take advantage of the 2gb of the 560 instead of the 460? Or is there a way to run the 460 for the game and use the 560 for aa and physx?
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post #2 of 15
No you can't sli those two cards... As for using the 560 for physx, that would honestly just be a waste. Just get another 460 and sli.
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post #3 of 15
why wouldnt you atleast put the 560 as the main and the 460 as physx atleast?
   
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post #4 of 15
im using 460 sli 1 gb too.

never had issues with the Vram in bf3 so far Oo.

try disabling HBAO & lowering the AA a bit.

other than that, i run at ultra.
post #5 of 15
Thread Starter 
Quote:
Originally Posted by ggoodd View Post
why wouldnt you atleast put the 560 as the main and the 460 as physx atleast?
I figured the aa and physix would take up most of the vram?


Im just worried about getting another 460 and then games start using more than 1gb of vram and my cards struggling to keep up?
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post #6 of 15
do what i did, buy a 570 with more vram, either the 1.25 or the 2.5 version

right now i use a 460 as physx and eventualy ill get a second 570, or a card so good my 570 will be used as a physx card, depends how far down the line
   
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post #7 of 15
also, the VRAM doesnt stack

which i think you are under the common misconception

forexample

if u have a 1 gig gtx460 and you sli it, you do not have 2 gigs of vram, so really adding a second card wont really do much to your performance if your issue is vram wall.
   
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post #8 of 15
Thread Starter 
Quote:
Originally Posted by ggoodd View Post
do what i did, buy a 570 with more vram, either the 1.25 or the 2.5 version

right now i use a 460 as physx and eventualy ill get a second 570, or a card so good my 570 will be used as a physx card, depends how far down the line


How does your gpu set up run fps wise vs a 570 or 460 sli?
I think your gpu set up is a good idea. Makes it easy to transition into dual 570 without buying both 570 right away
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post #9 of 15
Unless you already have a 560, why in the world would you want to get a 560 for PhysX? It doesn't make any sense. Use the money on another 460 and SLI them, you will see a really noticeable boost in performance.

Also, no, you cannot SLI a 460 and a 560; they have to be the same card.
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post #10 of 15
i didnt notice any realy decrease in performance, hardly any games use phyx, but the high vram was what i needed, with the purchase of my 570, i had sli in mind down the line, however ill sli my 570 pretty much when i need to.
   
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