Why Is Blender EEVEE Slow / Laggy

How to fix it

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

1. 1. Lower quality settings

   Copy steps
   1. Render Properties: reduce Raytracing, Shadows and Volumes quality.
   2. Lower viewport samples.
   Did this fix it? Yes No

2. 2. Reduce scene load

   1. Use fewer lights, smaller textures and simplified materials in the viewport.
   Did this fix it? Yes No

3. 3. Update drivers and use the dedicated GPU

   1. Install the latest GPU driver and ensure Blender uses your dedicated card.
   Did this fix it? Yes No

Symptoms

Viewport in Material Preview or Rendered mode runs at low FPS, or shader compilation takes long.

Why it happens

• High shadow, ray tracing or volumetric settings
• Lots of lights and large textures
• Integrated or old GPU
• First-time shader compilation

This guide also covers

• blender eevee slow
• eevee next slow
• blender eevee lag
• blender material preview slow

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 Viewport Lag / Slow Viewport
• Blender Pink Textures / Missing Textures
• Blender FBX Export Textures Missing
• Blender glTF Export Missing Materials or Textures