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How bad is battery life on Linux laptop?
(lemmy.world)
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this post was submitted on 14 Aug 2023
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If your dGPU supports rtd3 power management, it should (almost) completely power off when not in use. For me the battery life changes a lot: is something like 2 hr vs 10hr battery life with the GPU off, which is very noticeable.
In everything I have seen, there has been no way to turn it off fully (laptop with a GTX 1060). Nvidia x server settings shows no option for a power saver mode, and even Optimus-manager set to integrated graphics only does not seem to have changed it. It seems to continuously idle at the minimum clock speed at around 5W of draw, according to programs like nvtop.