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If GPU Compute is greyed out in the settings, You are NOT using your GPU. Choose one of these from system settings other than "None". : r/blender
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Best Workstation GPUs 2018: Premiere, AutoCAD, VRay, Blender, & More | GamersNexus - Gaming PC Builds & Hardware Benchmarks
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Investigation - GPU Tile Performance drop - Test and post your BMW 2 results - Technical Support - Blender Artists Community
![rendering - Blender 2.8 uses CPU rather than GPU, contradicting with settings - Blender Stack Exchange rendering - Blender 2.8 uses CPU rather than GPU, contradicting with settings - Blender Stack Exchange](https://i.stack.imgur.com/f9rMj.png)