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Performance of GTX 580 SLI in gaming... - Page 2

post #11 of 35
Thread Starter 
Quote:
Originally Posted by Am* View Post
Wouldn't it halve his minimum framerates? I read some SLI/Xfire comparison on Tom's Hardware ages ago that showed something like this due to latency lag between 2 cards. Averages/maximums doubled, minimums halved.

Can anyone confirm this?
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post #12 of 35
Quote:
Originally Posted by Aniket View Post
human eye can notice upto 60fps,when u get 60+ above fps....u wont notice the difference,I think a single gtx580 is enough.....if u run benchmarks then go for gtx580 sli
Hope this helps
not true.
 
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post #13 of 35
Quote:
Originally Posted by devdeep View Post
Thanks for the reply aniket...
Also, if a game uses 1.5 GB of VRAM, So what will happen to the other 1.5 GB ???
the other 1.5gb will not be utilised,
in other words...most of the games dont take advantage of multi gpu...so best u go with 1x gtx580....since u wont run benchmark I wouldnt suggest u to go with 2 gpu's
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post #14 of 35
lol wut?
    
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post #15 of 35
Quote:
Originally Posted by Alatar View Post
not true.
no its true because I know a person who runs 2x gtx580,
according to his words....he dont notice much difference(logically) with 2 gpu over 1 gpu in games,
with 1 gtx580 he gets 60fps in crysis & with 2 gtx580 he gets 100fps,but according to the capability of human eye the difference isnt noticable...because we cant notice difference beyond 60fps
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post #16 of 35
Quote:
Originally Posted by Aniket View Post
no its true because I know a person who runs 2x gtx580,
according to his words....he dont notice much difference(logically) with 2 gpu over 1 gpu in games,
with 1 gtx580 he gets 60fps in crysis & with 2 gtx580 he gets 100fps,but according to the capability of human eye the difference isnt noticable...because we cant notice difference beyond 60fps
your eyes do not see thing is fps'. period. That alone makes your point pretty moot.

On top of that 60fps/hz is nowhere near the limit what the human eye can see.

What you are talking about is the refresh rate of the monitor which is 60Hz. Since the monitor cannot refresh the picture more often than 60times/s over 60fps becomes basically useless. Now if you move to true 120hz displays you WILL notice the difference between 60fps and 120fps guaranteed.
 
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post #17 of 35
Thread Starter 
Oooo.... "SLI"ing advicing thread turning into a biology class guys....

Anyway..... So according to you aniket, if in future, games such as " unknown " comes out, which is capable to support multi-gpu, then will the other " unused " VRAM of 1.5 GB be used... ??
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post #18 of 35
Thread Starter 
Quote:
Originally Posted by Alatar View Post
your eyes do not see thing is fps'. period. That alone makes your point pretty moot.

On top of that 60fps/hz is nowhere near the limit what the human eye can see.

What you are talking about is the refresh rate of the monitor which is 60Hz. Since the monitor cannot refresh the picture more often than 60times/s over 60fps becomes basically useless. Now if you move to true 120hz displays you WILL notice the difference between 60fps and 120fps guaranteed.
I think that you are correct as I also heard that 3d capable monitors having 120 Hz refresh rate... when used in 2d gaming, the games feel much more smoother than a 60 Hz monitors...
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post #19 of 35
Quote:
Originally Posted by devdeep View Post
Oooo.... "SLI"ing advicing thread turning into a biology class guys....

Anyway..... So according to you aniket, if in future, games such as " unknown " comes out, which is capable to support multi-gpu, then will the other " unused " VRAM of 1.5 GB be used... ??
Yes. As far as I know, cards in SLI/Xfire copy each other's VRAM to get higher framerates.
    
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post #20 of 35
Quote:
Originally Posted by devdeep View Post
Oooo.... "SLI"ing advicing thread turning into a biology class guys....

Anyway..... So according to you aniket, if in future, games such as " unknown " comes out, which is capable to support multi-gpu, then will the other " unused " VRAM of 1.5 GB be used... ??
It will not be utilized ever.

It's just the basics of how SLI works with memory. You will have 1.5gb of usable vRAM even if you physically have 3gb.

That said, if you are gaming on a single monitor do not worry about the amount of vRAM. By the time you really need more you'll be getting much more powerful GPUs anyway.

And 2 GTX 580s are not a waste on a single monitor simply because with one you cannot achieve 60fps (not even worth mentioning that if you have a 120hz display you're going to benefit all the way upto 120fps).

I would keep the cards and enjoy the setup
 
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