I'm trying to preview how a specular material looks on an object when it moves, so I tried rendered viewport shading mode, but this mode is extremely slow even with a very simple object. So slow that if I play a simple rotation animation nothing draws to the screen. I'm running an i7 with a GeForce 730m, I feel like I should be getting better performance than this. Am I missing something here or is it really not possible to preview an animation with materials without rendering a video?


1 Answer 1


Rendered shading is the same as a final render (mostly), so unless you have a very simple scene and a small render farm, you probably aren't going to get even near real-time (as in > 1-2fps) renders.

Some things you can do to help:

  • Render a small low resolution part of the viewport (e.g. with render border) See Render Border's related check boxes - How do they work?

  • Reduce the number of samples (Render settings > Sampling) and bounces (Render settings > Light paths)

  • If you still want to use the viewport (though I would recommend rendering a quick image sequence), turn down the framerate so each frame has some time to converge.


You must log in to answer this question.

Not the answer you're looking for? Browse other questions tagged .