Unfortunately, the performance overlay does not work outside of SteamOS. However, its functionality shines through when used in a gaming mode.Ĭan We Use The Performance Overlay In Desktop Mode? If a user wants, they can cast the overlay on the SteamOS itself. Interestingly enough, the performance overlay in Steam Deck is not restricted to video games. Is The Performance Overlay Restricted to Video Games? However, apart from the GPU, CPU speed, and framerate, users need community-created Decky plugins to customize every aspect. The best thing about the Level 4 overlay is that a knowledgeable user can tweak nearly every single thing here to get better performance and extend the battery life on Steam Deck. Shows whether the FSR is getting used or not.Battery usage, voltage usage percentage, and approximate remaining time.Per CPU core performance to help track how many cores of the APU in Steam Deck are getting used for games.GPU and CPU utilization percentage, with heat generation, voltage usage, and processing power usage.Level four performance overlay shows the following information: The fourth level of the performance overlay includes extensive information related to the Steam Deck performance.

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