Crossfire issues with Skyrim and other games (R9 270 and HD 7870)

DarknessMatt · Dec 28, 2014

I recently crossfired an AMD r9 270 non-x with my AMD Radeon HD 7870 GHz Edition and I have been having issues with weird graphical glitches within games like Skyrim and Arma 3. I am currently running driver version 14.12 Omega but have noticed the glitches on an older driver also. Just wanting to know if there is anyway to fix this without disabling crossfire completely.

Anonymouselite5 · Dec 28, 2014

Look in AMD Overdrive and make sure that both cards run under load at the same clock speeds. If they're different this can cause problems.
It should clock down to the lowest clock speed of the cards.

Other than that go back down to an older driver. Also do you still get these glitches in games that are quite streamlined with crossfire? Such as BF3, Crysis 2/3 etc.

-good luck

bishopi5 · Dec 28, 2014

I doubt its the clock speeds as the faster card will run at the lower cards clock rate. Also make sure each card is working perfectly BY ITSELF in the top PCIe lane. Make sure you have fresh drivers, ( DDU in safe mode )

DarknessMatt · Dec 28, 2014

Anonymouselite5 :

OK, I'll try some of those solutions and crossfire works perfectly with games like the new Tomb Raider, Hitman Absolution, and CS: GO. No artifacting or hiccups and almost twice the performance.

btw, this is what happens on skyrim: http://imgur.com/bCXFhkS

17seconds · Dec 28, 2014

Those are DirectX 9 games, at least Skyrim for sure, and probably ARMA 3 as well. Crossfire frame pacing doesn't work for DirectX 9 or OpenGL games (Minecraft, Valve games, id games, World of Warcraft, etc.). In those games, your performance will match that of a single card only, but also with the added stuttering that you are noticing. Try a DirectX 11 game with the latest drivers.

Anonymouselite5 · Dec 28, 2014

DarknessMatt :

Try the game with Crossfire turned off, and also as 17 seconds has said. There are some problems with CF and DX9 games.

Also with Skyrim, are you running heaps of graphics mods like I am? A few of the enb's actually cause errors when running with CF.

-good luck

DarknessMatt · Dec 29, 2014

[/quotemsg]

Try the game with Crossfire turned off, and also as 17 seconds has said. There are some problems with CF and DX9 games.

Also with Skyrim, are you running heaps of graphics mods like I am? A few of the enb's actually cause errors when running with CF.

-good luck[/quotemsg]

I turned off all mods for skyrim and it fixed some of the problems but many still exist and disabling crossfire fixes it completely but I don't want to have to disable crossfire to play it.

Anonymouselite5 · Dec 30, 2014

Are you using any ENB'S with Skyrim? If you are try disabling Depth of field. Skyrim has a long problematic past with Crossfire as it would seem. Especially with Mods. If going back to an older Driver fixes some problems if I were you I would go back to an older Driver. Another thing you can try is un-installing your driver and reinstalling the new Drivers.

Other than that, Skyrim has many hiccups with Crossfire and I would just run one card. You shouldn't get really bad fps with a 7870, heck right now I use a single 7850, and the only way you'll use all the gpu processing of the 7870 is if you have a heap of graphics mods. Even then you'll max out the 2GB vram on the 7870's.
Just enable Crossfire for other games that need it.
Sorry but I couldn't seem to find any other way if none of the fixes above work.

-good luck

DarknessMatt · Dec 30, 2014

Anonymouselite5 :

Are you using any ENB'S with Skyrim? If you are try disabling Depth of field. Skyrim has a long problematic past with Crossfire as it would seem. Especially with Mods. If going back to an older Driver fixes some problems if I were you I would go back to an older Driver. Another thing you can try is un-installing your driver and reinstalling the new Drivers.

Other than that, Skyrim has many hiccups with Crossfire and I would just run one card. You shouldn't get really bad fps with a 7870, heck right now I use a single 7850, and the only way you'll use all the gpu processing of the 7870 is if you have a heap of graphics mods. Even then you'll max out the 2GB vram on the 7870's.
Just enable Crossfire for other games that need it.
Sorry but I couldn't seem to find any other way if none of the fixes above work.

-good luck

Ok, thanks for the help anyways. Disabling all graphical mods did help quite a bit.

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