Question / Help OBS lowers Dota 2 FPS

Soul8456

Soul8456

New Member
Every time I start OBS studio (even without streaming) my FPS in Dota 2 drops form 200 to 30-35. I can play Dota 2 fine as long as the OBS isn't running, as soon as I open OBS the FPS just tanks.

I added my most recent log (don't think it will help much).


  • I steamed Rising storm 2 and Squad recently, I did not have a problem with either.
  • As long as I don't activate my Dota source, the fps stays stable. As soon as I activate it, it tanks.
  • Turning off the preview doesn't effect it.
  • If I use display capture, the FPS is fine. If I use game capture, the FPS tanks. (It's a game capture problem)
Solved it:
Turning on multi-adapter compatibility solved the issue.
 

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Last edited:
Some new info.

As long as I don't activate my Dota source, the fps stays stable. As soon as I activate it, it tanks.

turning off the preview doesn't effect it.
 
Don't have a Display capture and game capture in the same scene. Other then that I don't see anything that in that log that indicates any issues.
 
I didn't ask you why you used game capture. I asked you why you had a dozen game capture sources.
 
c3r1c3 said:
Don't have a Display capture and game capture in the same scene. Other then that I don't see anything that in that log that indicates any issues.
Click to expand...

But I don't use them simultaneously. I some games might not capture right so I have the display capture in case game capture doesn't work.
 
The point Harold is trying to make is that game capture can be configured either to auto-hook whatever game you're running or to use a hotkey that captures the focused window, eliminating the need for more than one game capture source in most situations.

Does enabling vsync or otherwise capping Dota's frame rate to something reasonable (like your monitor's refresh rate) help at all?
 
Sapiens said:
The point Harold is trying to make is that game capture can be configured either to auto-hook whatever game you're running or to use a hotkey that captures the focused window, eliminating the need for more than one game capture source in most situations.

Does enabling vsync or otherwise capping Dota's frame rate to something reasonable (like your monitor's refresh rate) help at all?
Click to expand...

Ah well, I'll have to look into that, I'm still a noob.
I updated the OP. Game capture is the thing causing the problem, if I use display capture the game runs fine.

I obviously rather not use display capture as it might show stuff I don't want to stream.

Capping FPS or changing Vsync had no effect.
 
That really shouldn't be necessary (and would otherwise hurt performance) unless you're using multiple monitors connected to different GPUs, or are running SLI or something.
 
Sapiens said:
That really shouldn't be necessary (and would otherwise hurt performance) unless you're using multiple monitors connected to different GPUs, or are running SLI or something.
Click to expand...

Yet for some reason if its turned off my FPS tanks to 30 and with it on its a stable 200+

Maybe it has to do with running dota in borderless? Then again I run all my games in borderless and the others have no issues.
 
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