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Crossfire Gigabyte 7870 x2 Low FPS

Tags:
  • Low FPS
  • Crossfire
  • Graphics
Last response: in Graphics & Displays
September 28, 2013 9:29:36 PM

I just bought another 7870 for cross firing and i notice that i am getting a very low fps in a lot of games especially mafia 2. I only get about 30 FPS i checked my ATI drivers making sure that i have the most up to date drivers. As well that my crossfire x option is enabled. I downloaded gpu-z and i noticed that one of my 7870 is reaching 99% load and the other 0% i have no clue why this is happening and how to fix this problem.

More about : crossfire gigabyte 7870 low fps

September 28, 2013 10:01:36 PM

Installed latest drivers..? What is your mobo?
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    September 28, 2013 10:21:00 PM

    I just uninstalled my amd drivers reinstalled and swapped my two cards around im running Asus P8Z77-VPRO Intel 3570K
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      September 28, 2013 11:20:40 PM

      Did you place them both on the PCIE 3.0? Check your bios for settings. But AFAIK that when you put 2 gpus there, it would automatically run at x8/x8.
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        September 28, 2013 11:20:49 PM

        Did you place them both on the PCIE 3.0? Check your bios for settings. But AFAIK that when you put 2 gpus there, it would automatically run at x8/x8.
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          September 28, 2013 11:31:01 PM

          Well they should already be in pcie 3.0 slots cause on is in my primary slot closest to the cpu and the other right next to it i checked in my bios and verified that they are both on X8 and 3.0
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            September 28, 2013 11:51:23 PM

            any cards in the 1x slot?
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              September 28, 2013 11:52:58 PM

              also.... try each card separately in each slot.
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                September 29, 2013 9:28:06 AM

                how do you mean ? like as in try to move both grphics cards down one slot and try it?
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                  September 29, 2013 9:35:51 AM

                  like pull one card. run the other alone. then pull that one and move it down a slot and try it ( play )

                  then pull that card. put the second one in. run it. then swap slots and see if it still runs good.

                  any cards in you 1x slots? like sound cards or anything?
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                    September 30, 2013 7:32:22 PM

                    k so i tried to moved one of the cards down one pcie slot and powered my comp on and it did display picture bios etc. but i was unable to load windows and i tried the same with the second card same thing so i decided to put it all back the way it was before but i was completely unable to load windows for some weird reason what i ended doing in the end i had to completely reinstall windows and reinstall the AMD drivers again for my cards and it detects my cards as crossfire automatically but when i run a stress test it runs at 1600 by 900 at 51 fps on average and still only runs one card 99% and the other at 0% so im back to square one again.
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                      September 30, 2013 9:01:03 PM

                      K no more BS i fixed my problem by using an earlier driver apparently the newer drivers still need to be tweaked quite a bit I used the AMD 13.6 beta 2 drivers and it pretty much fixed everything i was able to do a good bench and basically both cards responded the way i expected (IN FULL SCREEN ONLY)so to everybody that is that is having this issue try using using these drivers hopefully it will be your answer aswell
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