It's a question that plenty of people have asked already but the feature seems a little hidden; how do you enable FSR on your Steam Deck?
What is FSR?
FSR is AMD's upscaling technology, which is officially called AMD FidelityFX™ Super Resolution. Essentially, FSR will take your game and upscale it to give you higher quality visuals than you can natively run. Additionally, it also aims to boost your FPS, giving you the opportunity to play on higher settings and still have high framerates for a smooth gaming experience.
When enabling FSR on your Steam Deck, it will upscale your game to the native resolution of the Steam Deck (1280x800) after turning down your in-game resolution.
Which games support FSR?
Currently, AMD has listed the following titles on their website that support AMD FidelityFX Super Resolution.
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Released and FSR supported
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Upcoming titles
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While this list is impressive so far and continues to grow, Steam Deck's implementation of FSR should work with any game you boot up. It might not be as noticeable as with the supported titles, but considering that you can easily enable it on your Steam Deck, regardless of the game you play, means that you should notice that it's doing its thing.
However, I will state that it doesn't seem to work in every game. For instance; Shadow of the Tomb Raider has an in-game option for FSR. Enabling might make a difference (I didn't really notice any myself), though your performance overlay (if enabled) will not state that FSR is on. I could also not get the Steam Deck's FSR implementation to work with Shadow of the Tomb Raider.
How do I enable FSR on my Steam Deck?
1. Open your quick access menu by pressing the button with the three dots on it.
2a. Navigate to the battery icon, which will show you the performance menu. Within the performance menu, scroll down until you see "Scaling Filter" and slide it all the way to the right. After enabling it, you will have to go to the game's settings and turn the resolution down to a lower resolution (as long as it stays within the 16:10 aspect ratio!).
2b. This is optional but helpful; on the same menu page, scroll back up and enable "Performance overlay level" to 4. At this level, it will clearly state whether FSR is activated or not. If you haven't changed your resolution yet, the overlay will say "OFF".
Once you've changed both your resolution and moved the "Scaling Filter" slider to "FSR", a separate slider will appear underneath that will give you the option to set your desired sharpness level. The higher the number, the sharper it will be. The overlay will also mention that FSR is ON (in green). The sharpness level will be set to 5 when turning it on for the first time.
