Watch the video:
Timestamps:
0:10 - What is screen tearing
0:40 - Fix resolution/refresh rate (Nvidia/AMD)
1:50 - Fix resolution/refresh rate (Windows)
3:00 - GSync and FreeSync
3:40 - Optifine or Sodium
4:23 - Vanilla: Fix screen tearing
5:20 - Enable VSync in OptiFine/Sodium
6:00 - Better settings in Minecraft
6:50 - Texture/Resource Packs
Playing Minecraft, but getting bad screen tearing and other issues? This video covers what causes screen tearing, as well as the many ways around it. By the end, your game should be a lot smoother.
Installing Optifine: Go to post or View on YouTube
Installing Sodium: Go to post or View on YouTube