Arm announces an open-source graphics upscaler for mobile phones

An image showing the Arm logo on a pink background
Illustration by Alex Castro / The Verge

Arm is launching its own upscaler for mobile gaming. The chip designer says its Arm Accuracy Super Resolution (ASR) can make games look better, while lowering power consumption on your phone. It’s also making the upscaling technology available to developers under an MIT open-source license.

Arm based its technology on AMD’s FidelityFX Super Resolution 2 (FSR 2), which uses temporal upscaling to make PC games look better and boost frame rates. Unlike spatial upscaling, which upscales an image based on a single frame, temporal upscaling involves using multiple frames to generate a higher-quality image.

Upscaling is especially useful for lower-powered graphics cards that couldn’t otherwise run a game at playable frame rates. AMD FSR, Nvidia…

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