Why does my framerate slowly decay while playing Skyrim?



  • This is a new issue that popped up recently and I have no idea what brought it on.

    As I play Skyrim, my FPS will slowly degrade over 15 minutes or so to unplayable levels, but only in certain areas, upon leaving areas with low framerate, my FPS will jump back up again, but returning to the area with bad framerate, results in continued decay.

    For example, if I wait in a bad area for about 15 minutes my framerate will fall to about 18. If I return to that area, it will go back to 18. If I enter a different bad area, it will also be at 18 there too. If it continues to fall in that bad area to say, 8 frames/second, and I go to another bad area, the frame rate will jump back down to 8 again.

    I have no idea why this is happening. I have tried the lowest possible graphics settings, removing all mods, and reinstalling Skyrim.

    I don't believe this is a hardware issue, as everything appears stable in every benchmark, and diagnostic I have run. This issue is isolated to Skyrim. I have tried all advice given to me on installing mods, editing my ini's, and cleaning my mods to no avail.

    If anyone has any idea, please help me, as I don't want to have to reinstall the whole OS to eliminate my problem.



  • To show other readers the possible answers: The issue here was that the HDT Physics Extensions was causing clashes as he/she played the game. This has lead to the slowdown over time




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