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Comment by runeks | Hacker News Reader

I've had pretty good experiences with their open source driver running on a HD 3870. No tearing, KMS support, good stability. I don't have a need for much 3D performance, nor do I use OpenCL. I just want something that runs well without crashing, and supports the new Linux 3D architecture (DRI2, KMS, DRM etc.) so it can run Wayland.

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I had a good experience with a 4670, myself. Better, actually, than with the proprietary driver.

I've never really understood why you'd want to burn around 100W if you don't have much need for 3D performance and all you want is good desktop performance. Surely there are cheap alternatives at less than half the total board power?

You can put the card in low power mode with

  echo low | sudo tee -a /sys/class/drm/card0/device/power_profile

ymmv

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