Steam Deck The Witcher 3 FSR 4 INT8 Upscaler + XeSS Frame Gen + XeLL Optiscaler Setup Steam OS Linux

Channel:

Gaming DJ

Subscribers:

30,600

Published on October 10, 2025 10:33:57 AM ● Video Link: https://www.youtube.com/watch?v=48GHFQ5Weio

Game:

The Witcher 3: Wild Hunt (2015)

Duration: 0:00

88 views

11

Timestamp :

The Witcher 3 FSR 4 + XeSS Frame Gen : 00:00
Download Optiscaler Mod : 00:38
Downoad FSR 4 INT8 Upscaler DLL : 00:59
Optiscaler Mod Setup : 01:25
FSR 4 INT8 Upscaler Setup : 03:37
Disable DXGI Spoofing : 04:07
Steam OS Settings : 04:44
Game Settings : 05:20
Optiscaler Settings : 06:18
Gameplay [XeSS 2 + No Frame Gen] : 07:10
Enable FSR 4 Upscaler : 07:49
Gameplay [FSR 4 + No Frame Gen] : 08:28
Combat [FSR 4 + No Frame Gen] : 10:22
Enable XeSS Frame Gen Using OptiFG Upscaler FG Source : 11:08
XeSS Frame Gen Debug View : 11:57
manual GPU Clock Speed : 12:13
Gameplay [FSR 4 + XeSS Frame Gen] : 12:23

The Witcher 3 Gameplay on Steam Deck LCD 512 gb variant [Steam OS version 3.7.16 Beta] . UMA Buffer Size set to 1gb . Video recorded using Poco F5 . Ambient Temperature : 24 degree Celsius .

Optiscaler Mod :

https://github.com/optiscaler/OptiScaler/releases/tag/nightly

Optiscaler Discord :

https://discord.gg/2JDHx6kcXB

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Controller used in the video is Flydigi Vader 4 Pro , review link :

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