Running more than 2 Graphics Cards for the first time

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Bashamock

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Jun 30, 2014
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I was thinking of adding another graphics card, I have the room for it on my motherboard but I was wondering is there anything I need to bare in mind before I do?
Could one graphics card make another redundant if it's much better than it? At the moment I have a GTX 770 and was thinking of adding a GTX 1070. My motherboard is a GIGABYTE GA-Z97X-SLI.
 
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ledhead11
I agree with Bjorn. Getting a 1070 will mostly, if not totally, defeat having a 770 in your system. The main reason for mix/matching cards is using one as a dedicated PhysX card.

The only games that would benefit from having both are PhysX Gpu based and most are now CPU. The only slightly recent games that still used it were both Metro's, Arkham City, and Assasins Creed IV BF. There's probably more but most newer games that use PhysX have switched to the CPU for it and ignore a second GPU.

As Bjorn asked regarding 4k, VR, 1440p/144hz goes. . .a 1070 should do well with 1440p/144hz or med res-VR it would probably average 75-115 for those. If your planning on doing demanding games in 4k/60-144hz then even 2 1080's in SLI are still...
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ledhead11

ledhead11

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Oct 10, 2014
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I agree with Bjorn. Getting a 1070 will mostly, if not totally, defeat having a 770 in your system. The main reason for mix/matching cards is using one as a dedicated PhysX card.

The only games that would benefit from having both are PhysX Gpu based and most are now CPU. The only slightly recent games that still used it were both Metro's, Arkham City, and Assasins Creed IV BF. There's probably more but most newer games that use PhysX have switched to the CPU for it and ignore a second GPU.

As Bjorn asked regarding 4k, VR, 1440p/144hz goes. . .a 1070 should do well with 1440p/144hz or med res-VR it would probably average 75-115 for those. If your planning on doing demanding games in 4k/60-144hz then even 2 1080's in SLI are still working hard.

If you're somehow thinking SLI the other considerations are your CPU/PSU/Case and Cooling options. Any card may throttle if the temps are too high or the power too low. Your CPU also needs to be up to the task. A quad running 3-4ghz usually will be fine(some duo's running over 4ghz also). CPU's running slower will likely bottleneck causing problems as well.
 
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