# OptiScaler Mod Brings AMD FSR 4.1.2 to Intel Arc

October 24, 2026 at 09:39 AM

> Modders successfully port AMD FSR 4.1.2 to Intel Arc GPUs, leveraging XMX cores for hardware acceleration via modified INT8 DLLs.

The **OptiScaler** modding community has successfully ported **AMD FSR 4.1.2** upscaling models to **Intel Arc** GPUs. By utilizing modified INT8 DLLs, the implementation leverages Intel's dedicated **XMX cores** for hardware acceleration via a **DirectX 12**-based execution path.

Benchmarks show competitive performance, with an Intel Arc B580 running Clair Obscur: Expedition 33 at 1080p achieving a 0.59 ms upscaling time using FSR 4.1.2 Lite. On an Arc A770 in The Witcher 3, FSR 4.1.2 Lite reached 101.5 FPS, slightly outperforming XeSS SR.

While FSR 4.1.2 Lite targets mobile chips and APUs with lower latency, the full model remains slower than native XeSS. Users should note that this mod currently faces stability issues, with reported crashes in specific titles such as the Crimson Desert demo.


[#IntelArc](<https://hardwarebrief.com/hashtag/intelarc>) #AMDFSR #OptiScaler [#PCGaming](<https://hardwarebrief.com/hashtag/pcgaming>) [#GPU](<https://hardwarebrief.com/hashtag/gpu>)

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