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Arm Announces an Open-Source Graphics Upscaler For Mobile Phones (theverge.com) 6

Arm is launching its Arm Accuracy Super Resolution (ASR) upscaler that "can make games look better, while lowering power consumption on your phone," according to The Verge. "It's also making the upscaling technology available to developers under an MIT open-source license." From the reprot: 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.

You can see just how Arm ASR stacks up to AMD's FSR 2 and Qualcomm's GSR tech in [this chart] created by Arm. Arm claims ASR produced 53 percent higher frame rates than rendering at native resolution on a device with an Arm Immortalis-G720 GPU and 2800 x 1260 display, beating AMD FSR 2. It also tested ASR on a device using MediaTek's Dimensity 9300 chip and found that rendering at 540p and upscaling with ASR used much less power than running a game at native 1080p resolution.

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Arm Announces an Open-Source Graphics Upscaler For Mobile Phones

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  • by thesjaakspoiler ( 4782965 ) on Thursday July 11, 2024 @11:41PM (#64620157)

    This is going to be a game changer for gaming on a 6 inch screen!

    • You jest, but it will be. One of the issues with phone screens is the ridiculous resolutions they push along with the issue that mis-scaling LCD graphics looks like an asssandwich. The point here is to allow you to run at a sensible resolution without loss of visual quality, all the while saving battery life by not rending a game on my phone at a resolution higher than my 24" desktop monitor.

  • So it could enhance the graphics fidelity and framerate for XR2 Gen 2 based VR headsets....
  • Yeah, because that is what upscaling does.
    • This isn't your father's spatial upscaler (that is based on a single image), this is a temporal upscaler (that uses multiple images). Note: Nvidia's DLSS also uses temporal upscaling (since 2.0.)

      When you get anti-aliasing for "free" AND at higher frame rates then native resolution then yes, it CAN look better.

      That said, without seeing proof this will be hard to judge the quality and performance tradeoffs.

    • Your comment is silly. You might look up temporal anti-aliasing at some point.

The flow chart is a most thoroughly oversold piece of program documentation. -- Frederick Brooks, "The Mythical Man Month"

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