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Low fps with crossfire enabled (TF2)

post #1 of 7
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Hey guys, I'm a little irritated at the fact that whenever I play tf2, I have to disable crossfire because for some reason, I only get 70-80 fps with both cards enabled, but with crossfire disabled, I get 250-300 fps.

Any idea what is wrong here?
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post #2 of 7
The game you're playing isn't a great fan of xfire or SLi. It might be that it's not been programmed for xfire or it's shoddy programming.

What drivers you running?

Comps
post #3 of 7
The game has poor crossfire support. Maybe there is a update for it that improves crossfire support. If you go to your shortcut for TF2 and select propperties then were it has the target, at the end of the target location put a space the -gpu1 this might stop the game from using crossfire without you needing to disable it.
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post #4 of 7
Im honestly not having this issue. Here is a post I made in another thread with benchmarks...


Quote:
Originally Posted by M0E View Post
Zero issues for me. Try updating or reinstalling the drivers and see if there is a TF2 crossfire profile on the AMD site.


6000x1080 (5760x1080 with bezel correction)
All max texture settings
4x AA
4x AF

CF enabled

Frames, Time (ms), Min, Max, Avg
19057, 120000, 109, 301, 158.808


CF disabled

Frames, Time (ms), Min, Max, Avg
15800, 120000, 57, 301, 131.667
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post #5 of 7
With very few exceptions (Crysis being one), games really don't have crossfire 'support' or 'programming'. It's the driver that supports multi-gpu (or not) for any given application.

This being said, I'm not sure what the issue is ... what you describe is very strange. Wish I could help but this has never happened to me. The same FPS, or maybe slightly lower when in crossfire ... that I could maybe explain. But not 1/3 the FPS ... that really should not happen. It's almost certainly an issue with how the driver is interacting w/the game though.
    
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post #6 of 7
What confuses me is why people complain about 80 fps?
post #7 of 7
I'm having this issue, except it happens in every game..
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