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Lately I bought a Radeon GPU to speed up my rendering proces, but I didn't notice a significand decrease in rendering time. I checken my processes and my GPU only used about 2% of its capacity, while my Intel used about 75%. Which is strange because i turned off the use of my Intel in my preferences. I tried rendering a different scene; same results. I all the latest drivers and stuff; still no change. I already set my tiling to 256 x 256, so that can't be it.

The equipment i use:

  • Blender 2.90
  • Radeon (TM) RX 480 Graphics
  • Intel(R) Core(TM) i5-6400 CPU @ 2.70GHz

So my question is, is blender using my GPU at all? And if so, is there any way i can make blender use more of my GPU?

My GPU stats while rendering a heavy scene. My GPU stats while rendering a heavy scene.

My CPU stats while rendering a heavy scene. My CPU stats while rendering a heavy scene.

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You may want to check settings: Edit->Preferences->System->CyclesRenderDevice

Since I run on NVIDIA mine are different but you graphic card needs to be check marked in one of the tabs.

Settings for my NVIDIA

Furthermore, check out recent guides for speed improvement. Most important tip is the tiling. For GPUs it should be larger than for CPU.

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  • $\begingroup$ I've already done all of that. I will put that in my original post. Thanks anyway. $\endgroup$
    – ThijsSmeel
    Feb 27 at 10:46

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