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post #1 of 26
Thread Starter 
Would i be able to SLI these two cards ?

EVGA 3GB 580(non SC)- http://www.newegg.com/Product/Produc...82E16814130655

and this

EVGA 1.5GB 580 SC- http://www.newegg.com/Product/Produc...82E16814130590

I already have the 1.5gb card , would i be able to run both of these in SLI or should i sell my 1.5gb and grab 2 3GB cards?

I game at 1920x1200 some games i run into VRAM problems running at this res with everything maxed , i dont want this to happen anymore if i were to go with another 580. I am guessing a single 3gb 580 would solve the problems? 2x 3gb 580s would probably be my best bet compared to 2 1.5gb 580s seeing how the vram doesnt stack.

Money is not really an issue. So no flame on blah blah blah 580 not worth it , and no i will not consider xfire.
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post #2 of 26
Quote:
Originally Posted by sockpirate View Post
Would i be able to SLI these two cards ?

EVGA 3GB 580(non SC)- http://www.newegg.com/Product/Produc...82E16814130655

and this

EVGA 1.5GB 580 SC- http://www.newegg.com/Product/Produc...82E16814130590

I already have the 1.5gb card , would i be able to run both of these in SLI or should i sell my 1.5gb and grab 2 3GB cards?

I game at 1920x1200 some games i run into VRAM problems running at this res with everything maxed , i dont want this to happen anymore if i were to go with another 580. I am guessing a single 3gb 580 would solve the problems? 2x 3gb 580s would probably be my best bet compared to 2 1.5gb 580s seeing how the vram doesnt stack.

Money is not really an issue. So no flame on blah blah blah 580 not worth it , and no i will not consider xfire.
Yes theyll worjk, but i think you will eithe have to use the 3gb as main, or both cards will run at 1.5gb
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post #3 of 26
Just wondering what games you are having issues with?
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post #4 of 26
so if he has the 3gb as a main card it will work? what if i have 2 1.5gb sli and i get a 3gb and use that 3gb as my main card i will be able to use the 3gb memory?
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post #5 of 26
Thread Starter 
Quote:
Originally Posted by munaim1 View Post
Just wondering what games you are having issues with?
Not really having any debilitating problems with games , but i know with a second 580 i will double my frames in games like metro , currently right now it plays at around 35-40 fps and will dip into the teens in some of the crazy lighting effect scenes. With everything maxed those are the frames i currently get on my single 580 SC at stock. I think i might just sell my current 580 and get 2 3gb cards.
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post #6 of 26
Your card will be limited to the lowest memory, E.G. if you have a GTX580 1.5GB and SLI it with 3GB it will run at 1.5GB
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post #7 of 26
to the OP unless you have a high resolution monitor you will not need a 3gb gpu, thats for people that are using more than 1 monitor.
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post #8 of 26
3GB will be useless unless you throw away your 1.5GB one and sli two 3GBs!!!!
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post #9 of 26
Thread Starter 
Quote:
Originally Posted by Flying Donkey View Post
Your card will be limited to the lowest memory, E.G. if you have a GTX580 1.5GB and SLI it with 3GB it will run at 1.5GB
I see , i think the 3gb card(s) will be the way to go, might just keep my 1.5gb for my back up rig i will also be building around the same time i get the card(s). I am guessing i will benefit more down the road from a total of 3gb of vram whether single or x2 as apposed to 2 1.5gb cards.

Well with my current single 1.5gb card things dont run as smooth as i want despite the fact that its not some crazy res, although it is quite possible that down the road i will try more than 1 monitor which will love the 3gb card(s).
Edited by sockpirate - 5/23/11 at 8:39pm
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post #10 of 26
Quote:
Originally Posted by sockpirate View Post
I see , i think the 3gb card(s) will be the way to go, might just keep my 1.5gb for my back up rig i will also be building around the same time i get the card(s). I am guessing i will benefit more down the road from a total of 3gb of vram whether single or x2 as apposed to 2 1.5gb cards.
What games exactly are running slowly? My 570 can max out all games with 40 FPS+
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