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How many monitors for 2 cards

post #1 of 7
Thread Starter 
I want to get either one gtx680 4GB or 2 gtx 670 2GB. I dont like the idea of 2 monitors so I would prefer 3. would I be able to run 3 monitors with max res. and max performance with 3 monitors with either of these options? also which of these 2 options would be better for gaming. This is on a 3820
post #2 of 7
So you want triple monitors and you're asking which cards to get to power it? If I'm reading you correctly.

For triple 1920x1080, a single GTX 680 2GB edition will result in greater than 30fps in just about every game out there according to Anandtech. A 4GB 680 will do even better, and most likely push into the 40-50fps range maxxed out. Back off the AA or knock the settings down a notch and you're above 60fps. Plus, you can always add a second one.

Alternatively, the 7970 or 7950 would be a slightly less power efficient choice but would produce slightly more bang for buck. Raghu78 will be here soon, I think so I'll let him get his HardOCP benchmark links out when he arrives.
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Heisenberg
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post #3 of 7
Quote:
Originally Posted by coachmark2 View Post

So you want triple monitors and you're asking which cards to get to power it? If I'm reading you correctly.
For triple 1920x1080, a single GTX 680 2GB edition will result in greater than 30fps in just about every game out there according to Anandtech. A 4GB 680 will do even better, and most likely push into the 40-50fps range maxxed out. Back off the AA or knock the settings down a notch and you're above 60fps. Plus, you can always add a second one.
Alternatively, the 7970 or 7950 would be a slightly less power efficient choice but would produce slightly more bang for buck. Raghu78 will be here soon, I think so I'll let him get his HardOCP benchmark links out when he arrives.

Agree with this, was going to recommend the 4GB 680 if you can find one. You'll be needing that extra VRAM.
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post #4 of 7
I did some quite extensive testing in SLI 680's 2GB with 3*1920*1080 monitors (5760*1080) and found that GPU grunt was the deciding factor far more than VRAM. I could play all these games comfortably at this high res but BF3 didn't feel very smooth. The others were fine though and Alan Wake was the lowest fps but felt butter smooth strangely.



As a note, I never once ran out of vram and I had every game at full detail.
    
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post #5 of 7
The larger memory bandwidth on the HD7970 makes it more suited for 3 display's than the GTX680.
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post #6 of 7
Thread Starter 
what would the fps on a single monitor be for the gtx 680 4GB be?
post #7 of 7
Quote:
Originally Posted by actualnatural View Post

what would the fps on a single monitor be for the gtx 680 4GB be?

Slightly less than a 2GB version purely because of the higher memory needing looser timings.

http://www.techspot.com/review/603-best-graphics-cards/

I have found that review to be pretty accurate.
    
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