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V-Sync - This locks the vertical sync to your monitor’s refresh rate which may force the game to run at a lower frame rate.Shadow Quality - Detailed shadows can take a whole lot of processing power, so try dropping your shadow quality to get a major performance boost.This is especially important when playing newer video games with older video cards. Texture Quality - If you're getting intermittent stuttering while playing (as opposed to a low frame rate), you may want to lower your texture quality.If you're getting super-smooth performance and want to try some AA, try FXAA if available first, as this is the cheapest AA solution.
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Try turning AA off completely and see how your game plays. There are lots of different AA options (MSAA, FSAA, etc.), but for now you just need to know that most of them have a big performance cost.
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The best way to get a big performance boost from your games is by lowering the graphical settings.
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