Steam Deck

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A place to discuss and support all things Steam Deck.

Replacement for r/steamdeck_linux.

As Lemmy doesn't have flairs yet, you can use these prefixes to indicate what type of post you have made, eg:
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[News] - News about the deck.
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Some more Steam Deck specific flairs:
[Boot Screen] - Custom boot screens/videos.
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Follow the rules of Sopuli
Posts must be related to the Steam Deck in an obvious way.
No piracy, there are other communities for that.
Discussion of emulators are allowed, but no discussion on how to illegally acquire ROMs.
This is a place of civil discussion, no trolling.
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system shock remake (lemm.ee)

submitted 2 years ago by ggnoredo@lemm.ee to c/steamdeck@sopuli.xyz

3 comments fedilink hide all child comments

Hi, I'm able to play this game with medium-high settings at stable 40fps but battery life is not great then I realized that I can limit TDP so I did it with 11w. Still 40fps but much better battery life. My question is why FPS is not changed with TDP limit and increased my battery life?

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[–] OmegaMouse@feddit.uk 4 points 2 years ago (1 children)

I'm not an expert on the subject but I think it's a bit of a balancing act - undervolting reduces the power to the chip so it produces less heat and can sometimes be more efficient as a result. But if you go too far, it won't have sufficient cpu/gpu power and the framerate will suffer. Overclocking works in the other direction.

[–] Molecular0079@lemmy.world 3 points 2 years ago

To add to this, a lot of times chips use more voltage than is actually necessary to ensure stability across the silicon lottery, but more often than not they can run with much lower voltages and still perform fine with certain workloads. This could be what's happening here as well.

Another thing is that the OS CPU governor could just be a bit overzealous by default and clocking it at frequency that's way higher than it needs to be to run a certain game. On my desktop Arch machine with a Ryzen 3900x, a lot of times I see a CPU core boosting to max frequency even though the CPU load for that core is only 50%. Reducing TDP helps to bring that frequency back down.