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Kepler Question

post #1 of 20
Thread Starter 
So, I have a question about the Keplar cards coming next year. I know this is just speculation because noone will know for sure. But, lets say they use the same tiers they are now so. 660, 670, 680.

My question is, do you think they will have 3GB versions on the say 660 or 670s? or will only the 680's possibly have 3GB. I am looking to get a card for triple monitor setup, but I won't have the third monitor for another year+.

If they might, I might just get a say 560 Ti for now, until they release.
Edited by jabroni - 10/2/11 at 2:28pm
    
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post #2 of 20
vram is a negligable variable on a setup. slightly more important on surround but still. if i dropped down to the 580s with 1.5gb vram i doubt there would be more than a 10-15% drop in performance after i overclocked them to the specs i have now. 2 6870s with 1gb of vram still trump a single 580 with 3gbs of vram.

why a 560 ti? you have a lightning XE in your sig, unless that was just the planned gpu. if your looking for cards to hold you over until the 6** series comes out, id go for 2 6850s or 6870s you can easily get two of them for the price of one 560ti and get much better performance, and it will last you longer than the 560ti. 2 6850s in xfire still trump any other single gpu card.
    
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post #3 of 20
Thread Starter 
yea that is a System To Be, as the title of it says. Im planning on buying it around black friday.

I will be getting 2 24" monitors then, and maybe next year I will grab a 3rd. Everywhere i've read says I should prob have 3GB of vram for 3 monitors. If I don't need 3GB then I won't even worry about it. It's just a question of will I need 3gb for the 3rd monitor.

I would be getting a 2nd GPU at the same time I got the 3rd monitor if I do.
    
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post #4 of 20
Quote:
Originally Posted by jabroni View Post
yea that is a System To Be, as the title of it says. Im planning on buying it around black friday.

I will be getting 2 24" monitors then, and maybe next year I will grab a 3rd. Everywhere i've read says I should prob have 3GB of vram for 3 monitors. If I don't need 3GB then I won't even worry about it. It's just a question of will I need 3gb for the 3rd monitor.

I would be getting a 2nd GPU at the same time I got the 3rd monitor if I do.
sorry didnt pay attention to the system title, my mistake.

again though, Vram is a negligable factor in playable fps. metro will use 2.2gbs of vram, but that dosnt mean it needs it. check it out.

metro 2033(the ranking vram eater) 1920x1080p 4xaa 16af physx off
pricing based on cheapest AR/before shipping @ newegg/tiger/amazon (outdated by about 5 days, but still fairly accurate)

http://img.villagephotos.com/p/2011-...del%20gpu.jpeg


http://img.villagephotos.com/p/2011-...r%20XFIRE.jpeg


the cards with lower vram still dont suffer from lack of frames, for a lower price i must add

6850s xfire trump the 580/6970/6950
and 460 768mb sli trumps the 6950
    
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post #5 of 20
Thread Starter 
Alright, well then I might look elsewhere than the 3GB Lightning Xtreme. Looking at either the 570 TF III, or the 580 Lightning 1.5 gb.
    
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post #6 of 20
    
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post #7 of 20
Thread Starter 
thanks I am probably going to just get the 1.5gb version of the lightning and save the extra $100.
    
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post #8 of 20
Quote:
Originally Posted by jabroni View Post
thanks I am probably going to just get the 1.5gb version of the lightning and save the extra $100.
not a bad plan. i wouldve got the lightnings if i would have had the option of putting a waterblock on them, same for the Lightning XEs, and unfortunately for me, the LXE is cheaper than my cards, and perform better
    
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post #9 of 20
Thread Starter 
but if that extra $100 wasnt an issue, would it be better to just get the 3gb version?
    
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post #10 of 20
Quote:
Originally Posted by jabroni View Post
but if that extra $100 wasnt an issue, would it be better to just get the 3gb version?
let me put it this way. your vram is bottlenecked by your GPU, your GPU is bottlenecked by your CPU. if youve got more vram than you can use with the GPU its pointless, i havnt seen my cards push out more than 2.2 on anything, and i only hit that on metro in a pretty vicious assault and almost went blind from the awsome. the gpu will use as much vram as it can but its not necessary, 1.5gb 580 still achieves better fps than the 3gb. same for the Lightning and Lightning XE. the vram is bottlenecked by the GPU before it can all be utilized.

theres 3 pepsis in the fridge. i mite be able to drink all of them, maybe. but do i truly need more than one to be satisfied. no.
    
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