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FPS low/unstable when there is activity on 2nd monitor

Question asked by nox95 on Jun 24, 2020

Hey fellas,

 

I was wondering if you guys run into issues with performance when you have something on your secondary monitor.

 

When I have a game running in borderless windowed mode on my primary (freesync 144fps) monitor but have task manager and/or rainmeter running on my 2nd monitor the FPS just tanks and frametimes are wildly inconsistent, while GPU utilisation is also low (with small peaks to 100%).

 

When i close down the stuff on the 2nd monitor, everything is golden again.

 

When I run in simple fullscreen mode though, performance is as to be expected in a few games, while still bad in others.

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