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GTX 580 SLI for 3D Surround?

post #1 of 11
Thread Starter 
Alright, so I have a question to ask if anyone can answer this, please do. For reference, here are my computer specs:
Asus Maximus IV Extreme
Intel 2600k OC to 4.6ghz
Corsair Dominator GT 8 gigs @2000mhz
Corsair AX1200
3x Asus VG236HE 120hz 3D monitors

Alright, so, I am looking into getting the MSI GTX 580 3gb Lightning Extreme and putting 2 of them in sli for Nvidia Surround, but I also want to do 3D Surround. I would have the cards overclocked from stock 832mhz to 920mhz.
Now, with the 3gb's of VRAM, I figured Surround wouldn't be a problem at all and the 3gb's of VRAM is why I want to get them in the first place.
But, would I be able to do 3D Surround with these cards and actually get decent FPS? I've seen people using GTX 590's in SLI for their 3D Surround setups but that confuses me because the GTX 590 isn't really a 3GB card, it's only 1.5GB PER gpu, which in turn only makes it a 1.5gb card because VRAM doesn't add together. Anyways, can someone please answer my question?
post #2 of 11
3D cuts your FPS straight in half pretty much.

The only way to know is to try it.
post #3 of 11
That's alot of horse power. You shouldn't run into any issues.
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post #4 of 11
Thread Starter 
The problem is that I don't have the GTX 580's yet because I want to know if it can handle it BEFORE I buy them, because that's a $1,200 investment.
post #5 of 11
i think it'll be easier for people to reply if you included the list of games that you would like to go on 3D surround.

hope this helps you http://www.overclock.net/nvidia/890584-best-sli-setup-5760x1080-120hz-3d.html and http://forums.nvidia.com/index.php?showtopic=204315&view=findpost&p=1259086
Edited by YtKwonG - 7/23/11 at 7:30pm
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post #6 of 11
Thread Starter 
Alright, for the games it would be:
Flight Simulator X (if possible)
Black Ops
Battlefield 3
Battlefield Bad Company 2
Modern Warfare 2
Dirt 3
Crysis 2
Assassins Creed series
post #7 of 11
I think everything would be good except FS X. Heard that was crappily coded and is a hog as it..... Unless I'm thinking of something else.
post #8 of 11
Thread Starter 
Your correct, FSX is crappily coded and doesn't agree too well with most systems
post #9 of 11
The reason people would use SLI 590's for 3D surround setups would be that when you are chasing that magic number of 120FPS constant, you scale back your AA almost to the point of 0...

3gb of VRAM on the 580's are for when you want to run greater then say 8xMSAA at 5760x1080 and above...

The 3gb 580's would definately be a good future-proofing investment, and would work well in both 2D surround + 8xMSAA and 3D surround with 0xAA (chasing FPS)

Cheers,

Ishi

Edit:
As a reference point, i get an average of 40FPS playing BF:BC2 @ 6060x1080 4xMSAA 16xAF HBAO on (VRAM usage = 1250mb avg)
Edited by Ishinomori - 7/23/11 at 8:29pm
post #10 of 11
Quote:
Originally Posted by Mako0312;14323082 
3D cuts your FPS straight in half pretty much.

The only way to know is to try it.
Quote:
Originally Posted by Weezernation;14323142 
The problem is that I don't have the GTX 580's yet because I want to know if it can handle it BEFORE I buy them, because that's a $1,200 investment.

I don't think 580 sli can push 120fps on 3 screens, besides the the fact that you'll be vram choked.
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