· Well, you probably know OPTIFINE, its a mod that boosts minecraft performance, Minecraft 19 came out and they started to do Optifine to 19 They've finished but now Minecraft crashes again (with Optifine 19 only) This happened without optifine too, but like @DkampsYT said putting VBO'S and VSync on resolves the problemI heard already about VBO's But I don't know exactly what it is However, I'll do some research about them Will they improve performance?/02/18 · I don't know a lot about VBOs or Vsync they don't affect my minecraft installation on or off but i do know that you want to turn the graphics bar to fast and smooth rendering to off another thing you can do is decreasing the render distance from 12 to a lower number (4 or 5 is good for me) you could also turn clouds off or decrease the particle amount and if worst comes
Guide Best Settings For Optifine To Get Better Fps Hypixel Minecraft Server And Maps