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PSA: If you're experiencing high idle power using a 7900XTX/XT on the desktop: DISABLE HDR! (imgur.com)

submitted 2 years ago by [email protected] to c/[email protected]

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cross-posted from: https://lemmy.one/post/1944629

The high idle power bug with the chiplet RDNA3 GPU's has been plaguing AMD since the damn things were released. I, too, ended up experiencing desktop idle TBP's of 100W or more, which is absolutely ridiculous.

I discovered that in my system, it occurs in this configuration:

Two monitors connected- one via DP, one via HDMI.

The HDMI monitor is set to HDR mode in Window Display settings.

Disabling HDR, or disconnecting the second monitor, both fix the bug. Disabling HDR sucks if you have a monitor that supports it, but yknow... saving 80W when watching youtube or writing a document? Worth it.

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