Question / Help OBS Preview/OBS FPS drop unless outside of game window

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Tyrakz

New Member
Dude... Yeah, I mean I built this PC myself, I literally and physically removed it. I was typing from my phone, and I hate it, now I'm at home at the computer. Let me explain everything, so you can get it.
So, 3 days ago, I was LIVE STREAMING I mean, stream turned ON at 144FPS with both graphic cards in SLI. After an OBS Streamlabs update, that changed and I was only getting the FPS stuck on 60 for both, livestreaming and not livestreaming, just by having OBS running my FPS in-game were 60. e.g. Let's say I am playing ok? I execute OBS and the FPS drop to 60 just by having the OBS running, if I turn livesteam to on, the FPS will still be the same, 60 fixed. So I said to myself, better remove a graphic card (PHYSICALLY) and see what happens... SAME RESULT! With one or with both cards, the FPS are stuck on 60 no matter what and regardless the stream is on or off. If I shutdown the program, the FPS will go up back again to 144 (I have gsync on all the time and that does NOT affect the FPS, I even turned it off and the FPS were the exact same so the sync is not the problem). I just solved this issue a minute ago by removing game capture in obs scene setting and changing that to screen capture. 144 FPS again with OBS streaming, with SLIx2 and with gsync.

You didn't need to tell me anything about pci-e lanes or to remove the gpu or this and that, I know myself bro and I appreciate your help but if someone is telling you, dude this is the problem that I am having, I mean THIS is the problem, don't tell the guy that the problem is something different. It would be different if I would have asked "what could it be?".

Guys, so for all those that have this problem, you know how to fix it now, just read what I just said and problem sorted.
 
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Colddogqc

New Member
It happens when in game and when the game fps (for my case) go more than 60fps. Limiting de game fps to 55 resolve my issue. When the game have fps limiter option or with nvidiaprofileinspector use fps limiter and you will be okay to stream at 30 or 60 fps without any drops when in game. I have a 3 monitor setup at 60hz maybe this cause the issue
 
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Colddogqc

New Member
Some games have issue with Game Capture scene and Display Capture will resolve the issue but it’s not for all games. So when Display Capture doesn’t resolve the issue, use frame rate limter for your game to not go over stream rate and you’re done
 
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Fett4Life

New Member
I had this issue forever... then found a reddit post that fixed it.

Set your game to windowed or window/fullscreen aka borderless. Works 100% and you don't have to lose quality.

I couldn't play R6 Siege, i tried everything, now it's smooth as butter.
 
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DrJuicyBear

New Member
I registered just to say I may have found a solution, this worked for me.

I know I'm years late but, I was trying to figureout why the FPS was solid when I alt tabbed, so the window was in focus, I couldn't work out why, I did all the trouble shooting steps, I set priority, I thought maybe the game was taking all the cpu power and OBS wouldn't take priority. (I have an 5950x CPU, 64GB ram, and a RTX 3090 GPU, the frames were terrible).

Then I thought "Hang on, what's my max FPS?", "Oh it's uncapped","OHHH if it's uncapped then the game is taking CPU priority to try and max itself, OBS is letting the game take full control."

I limited the FPS to 165, I only needed 60FPS for streaming, sure enough after that everything was butter smooth.

TLDR; In game, limit your FPS to 60 or what ever, then the rest of that CPU power OBS will take, more powerful hardware you can set higher FPS if you desire.

I hope this helps someone.
 
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