this post was submitted on 25 Aug 2023
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I switched from Windows to Fedora last week and I'm monitoring the stats with Mangohud when playing games. I used to run HWinfo on 2nd monitor when using Windows 11.

I have 6800XT. The card maintains higher clocks at lower power most of the time. I've set the same OC as on Windows with a 2700MHz max clock and in games I'm sitting pinned at 2670MHz-2700MHz almost all the time in Linux when I don't hit power limit (312W) while on Windows the actual clock barely went over 2600MHz and card was almost always bouncing off of power limit resulting in massive clock drops to 2300-2400MHz. On Linux the drops go down just by like 100MHz-130MHz at most in the same scenarios.

Unfortunately I'd need to install Windows again and do proper testing to compare but I wonder if anyone else can confirm/deny this to me.

At least on idle I can confirm for a fact that the card uses less power, usually around 30-35W while on W11 was like 40-50W.

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[–] HughJanus@lemmy.ml 16 points 1 year ago* (last edited 1 year ago)

There are just way too many variables here to give a definitive answer.

Namely what specific software you're talking about.

Generally though, no, it is not more efficient.

Not surprising to see it consume more energy at idle than Windows 11 with all the fucking bloatware they have running constantly.

[–] mvirts@lemmy.world 13 points 1 year ago (2 children)

No need for testing, everything runs more better on Linux, because it feels more better 😹

[–] TimeSquirrel@kbin.social 8 points 1 year ago* (last edited 1 year ago) (1 children)

Eh, there's still a lot of free/OSS programs that have quite a bit of jank to them. Let's not kid ourselves. The underlying OS is rock solid though.

That's true. But free and ok is oftentimes better than subscription model cost and a little better.

That said, support your FOSS developers :)

[–] avidamoeba@lemmy.ca 4 points 1 year ago
[–] Atemu@lemmy.ml 2 points 1 year ago (1 children)

Did you measure this on the wall or in software? Dhe latter is not accurate nor comparable between OSs.

[–] WereCat@lemmy.world 2 points 1 year ago

In Software. But I have an UPS that shows power used so I'll log both if I'll get to testing