Baldur’s Gate 3 Steam Deck Performance: FSR4 + Lossless Scaling

Baldur’s Gate 3 Steam Deck Performance Test: 2026 Steam Deck Games – Handheld Gameplay – SteamOS 3.7 – FSR4 + Lossless Scaling

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❗️All gameplay is captured live on handheld so you can always see the real Handheld experience, including FPS, settings, and battery life during extended play.

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FSR 4 Guide – https://www.youtube.com/watch?v=sLFr3hRvnUQ
Lossless Scaling Guide – https://www.youtube.com/watch?v=dmnEOZg7bKE

🎮 Steam Deck OLED
🕐 Tested: 1st February 2026
⚙️ SteamOS 3.7.20 Beta
🛠️ Installed on Internal Drive (Fresh Clean Install)
📀 Steam Version
⚙️ Medium Textures Low Preset FSR 4 Performance

NOTES: To use FSR4 with Baldurs Gate 3 we need to use Proton Experimental/GE Proton to enable the DirectX11 Build, as FSR 4 does not work on Vulkan, which is what the native build runs with.

In addition, we need to use Decky FG – https://www.youtube.com/watch?v=sLFr3hRvnUQ

⏱️ Timestamps ⏱️
00:00 – FSR 4 Act 1 Handheld
01:02 – FSR 4 Act 1 Handheld 2X FPS Lossless Scaling
02:03 – Settings
02:15 – FSR 4 Act 3 Rivington
03:34 – FSR 4 Act 3 Rivington 2X FPS Lossless Scaling
04:28 – FSR 4 Act 2 Shadowlands
05:55 – FSR 4 Act 3 Shadowlands 2X FPS Lossless Scaling
06:51 – FSR 4 Act 3 Baldur’s Gate
07:43 – FSR 2.1 Act 3 Baldur’s Gate
08:31 – XeSS 2 Act 3 Baldur’s Gate
09:11 – FSR 4 Act 3 Baldur’s Gate 2X FPS Lossless Scaling
10:29 – FSR 4 Act 3 Baldur’s Gate Battle

Steam – https://store.steampowered.com/app/1086940/Baldurs_Gate_3/

“Baldur’s Gate 3 is a story-rich, party-based RPG set in the universe of Dungeons & Dragons, where your choices shape a tale of fellowship and betrayal, survival and sacrifice, and the lure of absolute power.”

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Steam Deck OLED
SteamOS 3.7.19
4GB VRAM

Under section 107 of the Copyright Act 1976, allowance is made for “fair use” for purposes such as criticism, comment, news reporting, teaching, scholarship, education, and research.
No Games Are Included Or Added

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