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Arm ASR was initially developed for mobile GPUs, not for PCs. But Arm showed off Arm ASR in a demonstration for Unreal 5, running its desktop renderer on a mobile platform. All told, Arm ASR sped up the rendering engine by 30 percent, suggesting that Arm's customers—including Qualcomm with its Snapdragon PCs—could use the technology to eventually speed up PC graphics as well.
Arm ASR, which was first announced a year ago, is being released today as an Unreal Engine plugin. A Unity plugin will be available later this year. Arm said that it plans to expand Arm ASR to other platforms, without specifying exactly which ones or when.
Arm ASR is built upon AMD's FidelityFX Super Resolution 2 (FSR 2), the older and simpler version that takes lower-resolution images and upscales them, boosting frame rates via faster processing. (AMD's later iterations, including FSR 3 and FSR 4, also include frame generation.) Arm ASR uses temporal upscaling, however, said to be an improved version.
Arm showed off Arm ASR in its new demonstration video:
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