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120hz monitor GTX580 1.5GB or 3GB ??

post #1 of 6
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Hi , right now i am running 1.5gb gtx580 with 3D monitor , i just wonder if i switch to 3gb version , will i get performance increase with 3D monitor?? and i also intend to do sli soon , so should i get another 1.5gb or get 3gb sli?? thanks
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Intel 520 Series 180GB SSD+WD Caviar Black 1TB ... RASA KIT EX360 WINDOWS 7 64 BIT Acer GD235HZ 120HZ 
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post #2 of 6
Get a 2nd 1.5gb version, 3GB is of no benefit to anything unless your using Nvidia Surround.
 
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post #3 of 6
If you plan to stick with resolutions @ 1920X1080, then 1.5GB should be fine however if you go NVIDIA surround, then yes, get the 3GB card. The higher the resolution, the more VRAM you'll need.
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post #4 of 6
Are you running a single monitor? I do believe 3GB memory would help 3D performance nonetheless but benefits more towards multi displays when gaming. But the GTX 580 alone is already a pretty beastly card, unless you're running triple displays not many games (even in 3D) can fully push it to it's limits.

If you don't intend on going multi displays it might be smarter to just get another 1.5GB 580 to save some trouble (and money).
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post #5 of 6
I can't speak with experience for a 3GB card, but I grabbed a 2nd card to SLI with my original Zotac 580 GTX 1.5GB for better 3D performance, and I'm VERY happy with the results. As people have said, more VRAM helps to handle higher resolutions, but doesn't help so much for 3D, because 3D essentially cuts your FPS in half (because now your computer needs to render 1 frame per eye), and having more VRAM doesn't help process frames faster, while having a 2nd GPU in SLI does.
post #6 of 6
On single 1920x1080p monitor whether it's 60hz or 120hz more VRAM isn't going to improve your FPS perfomce in 2D or 3D.

A second 580 1.5GB card though will max 3D for you in gaming. As for wactching 3D blu-ray movies one card is all you need as it's not a SLI capable function.

On my single card I'm doing just fine in 3D games on mid level settings. Though would love a second to max settings for 3D I'm waiting to see what the 680 brings to the table. I will SLI when pricing goes down if it's not worth it.
     
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