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What's the use of the "GPU Preference Policy" power parameter ?
Dear forum readers,
This (hidden) parameter's value can be set either throughpowercfg.exe
, or through the advanced power settings. To see it in the advanced power settings, you have to unhide this parameter, with the following command line :
This parameter has two possible values : None (default), and Low power.Code:powercfg.exe /attributes sub_graphics gpupreferencepolicy -attrib_hide
So I set it to Low power, but I've yet to see any changes : GPU selection seems to still work the same. Is it an unused parameter, or one that doesn't apply to my hardware ? Fwiw, I've a laptop w/ Intel UHD Graphics as iGPU and an Nvidia Geforce RTX 3070 as dGPU (and Windows version is 20H2, build 19042.928).