Here's what you can do to reduce lag in Minecraft Reducing frame rate lag Turning it on limits frames per second to your monitor's refresh rate, which reduces screen tearing Use ATI Tray tools and make 1 profile for minecraft and another for the rest of your games Can switch profiles via the taskbar icon in the bottomright from that point forward If Screen tearing is when multiple bits from multiple frames in a video all display at once on the screen Instead of seeing a solid scene, you get these smaller parts of multiple frames all jumbled into one
Screen Tearing Or Input Lag To Vsync Or Not To Vsync Techspot