Steam Deck OLED Undervolt Efficiency and Performance Scaling (discuss.tchncs.de)

submitted 7 months ago* (last edited 7 months ago) by thubn@discuss.tchncs.de to c/steamdeck@sopuli.xyz

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Hello, today I tested the performance and efficiency gains of my Steam Deck OLED at different TDP settings. As a benchmark i used 3DMark Firestrike. Which might not be the best benchmark for the Steam Deck, because it renders at 1080p. But you can still get good information from the results.

Link to Spreadsheet: https://docs.google.com/spreadsheets/d/1aOf00eA7WACqq1FZA1lJ067E8RFica5YpKWVEwCyB3M/edit?usp=sharing

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[-] julianwgs@discuss.tchncs.de 9 points 7 months ago

Very interesting! Could you provide some summary of what the trends are or may be visualize the results? I am new to this kind of data

[-] thubn@discuss.tchncs.de 4 points 7 months ago

The stable undervolt for my deck (20/50/50) has roughly the same performance at 9W as the default 0/0/0 at 10W.
an easy 10/10/10 undervolt can give you 2% more performance
the 20/50/50 undervolt nets a 4% performance increase
firestrike on steam deck doesnt scale well with more than 10W APU power
if you want to undervolt your steam deck you should always check if its stable and increases the performance

[-] rotopenguin@infosec.pub 3 points 7 months ago* (last edited 7 months ago)

Thanks for doing the work!

When you put the results like that, with 2 to maybe 4% gains, I'm definitely going to pass on undervolting my deck. Back when I had a C2D Macbook - yeah you had to undervolt that sucker to make it usable. But now I will happily leave a 4% boost on the table so that I never have to consider whether a crash came from the undervolt.

this post was submitted on 23 Mar 2024

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