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Can I run these two graphics cards in SLI?

Last response: in Graphics & Displays
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May 25, 2012 9:01:13 PM

I just recently got one of these http://www.newegg.com/Product/Product.aspx?Item=N82E16814125422&Tpk=gigabyte%20gtx%20680

I was just wondering if I could run that in SLI with say the Galaxy GTX 680, would that cause any problems? Or would I have to get another of that exact model? Also, on a side note, if at some point I got two of these, and a 120Hz monitor, would that fix any tearing problems I am having with this single 680? Would turn vsync on in an SLI setup on a 120Hz monitor work well? Thanks in advanced.

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a b U Graphics card
May 25, 2012 9:08:59 PM

It doesn't really matter if you mix brands of cards.

VSync should work with 120hz.

What games are you getting screen tearing in and do you have vsync turned on?
May 25, 2012 9:15:48 PM

jsrudd said:
It doesn't really matter if you mix brands of cards.

VSync should work with 120hz.

What games are you getting screen tearing in and do you have vsync turned on?


Well so far I've only tried three games, and I get tearing in all of them. I've played Battlefield 3, Starcraft 2, and Diablo. As long as I have vsync turned off in any of those games I get tearing, and a lot of it. Although, the second I turn vsync on, it all goes away, except for the occasional skip in D3 which isn't that bad really.
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a b U Graphics card
May 25, 2012 9:21:40 PM

Yes you will be able to run the gigabyte 680 with the galaxy 680 in SLi.

I'm running 670 SLi on a 120hz monitor and I get zero screen tearing.

A 120hz monitor won't "fix" any screen tearing but it will mean you can display up to 120fps with vsync off without getting any screen tearing.

If you are playing a game where the 680s are producing more than 120fps, then enable vsync and this will prevent any screen tearing.

Hope this helps.
a b U Graphics card
May 25, 2012 9:23:09 PM

list you specs including psu..??
May 25, 2012 9:24:15 PM

Gothams Finest said:
Yes you will be able to run the gigabyte 680 with the galaxy 680 in SLi.

I'm running 670 SLi on a 120hz monitor and I get zero screen tearing.

A 120hz monitor won't "fix" any screen tearing but it will mean you can display up to 120fps with vsync off without getting any screen tearing.

If you are playing a game where the 680s are producing more than 120fps, then enable vsync and this will prevent any tearing.

Hope this helps.


I did test out the single 680 on a 120Hz monitor and it didn't fix screen tearing at all? Would dual 680's fix it for the most part? I'm just wondering if there would be a vast improvement when it comes to screen tearing, if I were to run them in SLI.
May 25, 2012 9:26:42 PM

xtreme5 said:
list you specs including psu..??


CPU - Intel i5 3570k
PSU - Seasonic X series 760watt
GPU - Gigabyte GTX 680
RAM - 16GB Corsair XMS3
a b U Graphics card
May 25, 2012 9:34:47 PM

hotelmariofan said:
I did test out the single 680 on a 120Hz monitor and it didn't fix screen tearing at all? Would dual 680's fix it for the most part? I'm just wondering if there would be a vast improvement when it comes to screen tearing, if I were to run them in SLI.


Did you have 120hz enabled?

Where you playing a game with more than 120fps without vsync turned on?
a b U Graphics card
May 25, 2012 9:34:52 PM

hotelmariofan said:
I'm just wondering if there would be a vast improvement when it comes to screen tearing, if I were to run them in SLI.


No. Using SLi will not "fix" screen tearing.

May 25, 2012 9:41:07 PM

Gothams Finest said:
Did you have 120hz enabled?

Where you playing a game with more than 120fps without vsync turned on?


It would jump between 55-110 an average of 68fps. Yes 120Hz was enabled and vsync was off.
a b U Graphics card
May 25, 2012 9:44:24 PM

hotelmariofan said:
It would jump between 55-110 an average of 68fps. Yes 120Hz was enabled and vsync was off.


Hmm thats strange.

But after a quick google search it seems you are not the only one with this problem.

What games are you playing?
May 25, 2012 9:48:41 PM

Gothams Finest said:
Hmm thats strange.

But after a quick google search it seems you are not the only one with this problem.

What games are you playing?


Battlefield 3, Diablo 3, and Starcraft 2. Do you think it's a driver issue? I already had to return two parts in the PC...
a b U Graphics card
May 25, 2012 9:55:53 PM

Possibly, which nvidia drivers are you using?

It may be that your 680 or your monitor is faulty. Have you got a different monitor to try your 680 on?

May 25, 2012 10:05:51 PM

Gothams Finest said:
Possibly, which nvidia drivers are you using?

It may be that your 680 or your monitor is faulty. Have you got a different monitor to try your 680 on?


Yeah I tried it on another monitor, there was no difference. I'm on 301.42 I believe.
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