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Help with 2 graphics cards

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  • Crossfire
  • Graphics Cards
  • Monitors
  • Graphics
Last response: in Graphics & Displays
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November 4, 2013 1:31:44 PM

I know that sli/crossfire requires you to have the same graphics card but i was wondering whether it is possible to put something like a 7970 and a 7770 into one machine and have the 7970 to work on its own for my first monitor and to have the 7770 to work on its own for my second monitor. I thought i saw something like that in a video on youtube but i may have been mistaken.

Thanks for any help you can give.

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a b U Graphics card
a b C Monitor
November 4, 2013 1:38:11 PM

IF you do NOT have a crossfire you SHOULD be able to do that. I use to run an old GeForce FX 5700 and a GeForece 4 MX (Once APG one PCI) to run my dual screen setup. Not sure about new cards but as long as they aren't in crossfire the way you are talking should work.

BUT Also with AMD cards you can Crossfire two none identical cards as long as they are the same series. Since you have 2 HD 7000 series cards they can do Crossfire.
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November 4, 2013 1:44:55 PM

drtweak said:
IF you do NOT have a crossfire you SHOULD be able to do that. I use to run an old GeForce FX 5700 and a GeForece 4 MX (Once APG one PCI) to run my dual screen setup. Not sure about new cards but as long as they aren't in crossfire the way you are talking should work.

BUT Also with AMD cards you can Crossfire two none identical cards as long as they are the same series. Since you have 2 HD 7000 series cards they can do Crossfire.


i did not know that about the same series so thanks but it was hypothetical, i am going to get a 290x, which doesn't support a crossfire bridge, i think the lower end cards from the new amd series do need a bridge so i dont think it will work but thanks anyway, you have been a great help. I will leave the forum open to see if other people have suggestions but will choose your answer as the solution when i close the thread. Thanks again
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a b U Graphics card
a b C Monitor
November 4, 2013 1:47:50 PM

yes very doable, i use a gt210 for my second screen and a gtx580 for my main screen, you'll not be able to game across the two screens, you are aware of that?
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November 4, 2013 1:50:07 PM

13thmonkey said:
yes very doable, i use a gt210 for my second screen and a gtx580 for my main screen, you'll not be able to game across the two screens, you are aware of that?


yes. im going to be getting a 144hz monitor for the 290x and i will just use the lower end card to power my tv which i normally use to watch streams while gaming
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a b U Graphics card
a b C Monitor
November 4, 2013 4:50:37 PM

Yea the new 290x uses the PCIe Lans to establish the crossfire connections and not the bridge which really is engenius.

But yes you can either not do a crossfire or do a crossfire up to you.
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