Exceptions are mods which are specially designed to be installed after OptiFine. Make sure to install OptiFine last, so that no other mod is overwriting the OptiFine classes. You can turn these OFF in the Video Settings if you do not need them. For example: Connected Textures, Custom Sky, Random Mobs, Custom Animations, etc. If you are using a HD texture pack, it most probably comes with some quality features that are not recognized by vanilla, but are active with OptiFine and can decrease the FPS. You might have enabled the FPS limiter in Video Settings To reset the Video Settings to their default values go to Video Settings ➔ Other ➔ Reset Video Settings. You might have enabled some higher quality settings that can decrease the FPS (for example: Render Distance Extreme, Antialiasing, Anisotropic Filtering). There are many reasons why in some cases the FPS with OptiFine may be the same or lower than Vanilla: OptiFine generally increases the FPS (200%+ is common) and in the worst case it should be the same as Vanilla Minecraft. # Why am I getting the same or less FPS with OptiFine installed? # To fix it go to the graphics card control panel and set “Threaded Optimization”/”OpenGL Threading” to OFF.įor best results disable it globally, not only for java.exe or minecraft.exe.Īn example of how to disable threaded optimization for NVIDIA cards. Most probably you have enabled “Chunk Loading: Multi-Core”, but the graphics card driver does not support it properly. Why are some world chunks flickering with OptiFine? #

It should show which value to set for better FPS and which for better quality. Go to the Video Settings menu and look at the tooltip shown for every setting. How can I configure OptiFine for best FPS? # You can further increase the FPS by configuring the Video Settings and finding the trade-off between quality and performance that works best for you. OptiFine comes with many optimizations that should increase the FPS without any configuration. OptiFine Light may be more helpful for underpowered laptops and notebooks, but it does not have any advanced features and is not compatible with ModLoader and Forge.ĭo I have to configure OptiFine to get better FPS? # OptiFine Standard is more compatible with other mods. OptiFine Ultra has the most optimizations and features that can increase FPS. OptiFine Ultra is the most popular edition.

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