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(Solved) FPS issues in editor - Switches between 10 and 60 depending on highlighted window

Hi, I have a high end laptop (gtx 1070 8gb, 32gb ram) and working with the editor spread in two monitors. One with the main viewport and the other with particles and materials.

I have a blank scene with only a simple particle on it - while I have the main window selected, the performance is very sluggish, around 6-11 fps. By just clicking on the particle editor on the second monitor, without doing anything else, I get smooth 60fps on all of the rendered windows.

Does anyone have any idea why? Thanks!

Product Version: UE 4.14
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asked Jan 08 '17 at 09:41 PM in Using UE4

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Bruno Afonseca
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Solved! It was just G-Sync being enabled on windowed mode.

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answered Jan 08 '17 at 10:36 PM

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Bruno Afonseca
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