Blender Viewport Lag / Slow Viewport

How to fix it

Try these in order — the most common fix is first.

1. 1. Lower viewport load

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   1. Set Subdivision Levels Viewport lower than Render.
   2. Switch Viewport Shading to Solid or Wireframe while modeling.
   3. Disable heavy modifiers for the viewport (monitor icon).
   Did this fix it? Yes No

2. 2. Fix slow selection

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   1. Open Preferences > Viewport > Selection and toggle GPU Depth Picking.
   2. Hold Ctrl when selecting in Object Mode to select by object origin.
   3. Update the graphics driver.
   Did this fix it? Yes No

3. 3. Check VSync and device

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   1. VSync in your GPU driver can cap playback at 60 FPS.
   2. Make sure Blender uses the dedicated GPU, not integrated graphics.
   Did this fix it? Yes No

Symptoms

Orbiting, selecting or sculpting stutters, FPS drops and Blender feels unresponsive in heavy scenes.

Why it happens

• High polygon count or stacked modifiers
• Viewport set to Rendered or heavy EEVEE settings
• Outdated graphics driver
• Slow selection on dense meshes
• Running on an integrated GPU

This guide also covers

• blender viewport lag
• blender slow viewport
• why is blender so slow
• blender laggy

Other Blender errors

• Blender Crashing When Rendering
• Blender GPU Not Detected / Not Showing in Preferences
• Blender CUDA / OptiX Error: Kernel Compilation Failed
• Blender Out of Memory Error When Rendering
• Blender Pink Textures / Missing Textures
• Blender FBX Export Textures Missing
• Blender glTF Export Missing Materials or Textures
• How to Recover Unsaved or Crashed Blender Files