AMD released FidelityFX Super Resolution scaling technology

Although the FSR competes with the DLSS in many ways, it has been implemented according to completely different principles.

AMD today released new drivers that included support for the company’s FidelityFX Super Resolution scaling technology. Later today, the technology was also officially launched.

FSR, or FidelityFX Super Resolution, is a spatial scaler, meaning it only takes into account the current frame. In addition to spatial scalers, there are also so-called temporal scaling technologies that also utilize data from previous frames. Supporting FSR also requires work from the game developer, as it needs to be placed on the rendering path before noise-causing post-processing effects and, of course, the game’s interface, which today is rendered on top of the otherwise finished image. The FSR is implemented as a single compute shader with no external dependencies.

The user is offered four different settings: Ultra Quality, Quality, Balanced and Performance. In the company’s own words, Ultra Quality provides an almost native level of image, while Performance clearly degrades image quality and should only be used in situations where a clean screen refresh rate is the only significant thing. With Ultra Quality resolution, the image is scaled 1.3 times in its direction, with Quality 1.5 times, with Balanced 1.7 times, and with Performance 2.0 times. In practice, this means, for example, at 4K resolution (3840 × 2160) that the actual resolution of Ultra Quality is 2954 × 1662 and that of Performance 1920 × 1080. FSR also supports variable resolutions with a variable scaling factor, and in theory, scaling can be anything between 1-4 times its direction, but taking advantage of this is in the hands of game developers.

The technology is currently supported in Godfall, RiftBreaker, 22nd Century Racing Series, Anno 1800, Evil Genius 2: World Domination, Terminator: Resistance, and Kingshunt. Support will be available in the near future for FarCry 6, Resident Evil Village, Forspoken, Myst, DOTA 2, Necromunda: Hired Gun, Baldur’s Gate 3, Sordsman Remake, Farming Simulator 22, Asterigos, Vampire: Bloodhunt and Edge of Eternity. In addition, a total of 44 developers or publishers have already indicated their support for FSR technology.

Unfortunately, AMD’s internal performance tests have been run by comparing the native only to the most high-performance Performance mode, which even the company itself does not recommend for use, so despite the handsome figures, their practical value is almost negligible. However, the first third-party tests on supported games have already been released and, for example, the Ultra Quality setting, which is well received on average, offers an average of 25-40% more recommended performance in supported games, depending on the video card In TechPowerUp tests. The FSR is also currently being processed by io-Tech’s test lab.

According to AMD, the FSR technology has been officially tested to work with the company’s Radeon graphics cards from the Polaris architecture, the RX 460, 470 and 480 graphics cards, and all Ryzen processors with an integrated graphics controller. The GeForce GTX 10, GTX 16, RTX 20 and RTX 30 series have been tested to work from a competing NVIDIA camp.

While FidelityFX Super Resolution is going to be open, it’s not yet. According to the company, the source code will be released on the GPUOpen site around mid-July.


Source: io-tech.fi by www.io-tech.fi.

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