TechnologyAMD releases FSR 3.1: better image quality and fully emancipated Frame Generation

AMD releases FSR 3.1: better image quality and fully emancipated Frame Generation

FSR 3.1 erases several defects of FSR 3.0, and completely frees the image generation component from its shackles.

AMD took advantage of GDC (Game Developers Conference) to present its FidelityFX Super Resolution (FSR) 3.1. No catch, the latest version was 3.0.

A more beautiful image

This latest iteration of the open-source image scaling and generation technology from the company led by Lisa Su brings several improvements over the previous one – well, rather over 2.2 if you look at it. is based on the comparisons offered.

The first claimed is an improvement in the visual quality of scaling in certain situations. In its press release, AMD lists three main factors of progress.

The first concerns the improvement of temporal stability. To speak without jargon, it is a reduction in image flicker/flashing. The other progress consists of better preservation of details; There, it’s self-explanatory. Finally, the last improvement concerns the reduction of ghost images; again, no need to dwell on the subject.

To illustrate its points, AMD offers the illustrations below:

FSR 3.1 vs FSR 2.2 © AMD

A liberated, delivered Frame Generation

The other key element of FSR 3.1 is the dissociation of scaling and image generation: from the FR process, Frame Generation. This component of FSR 3.0 already had higher hardware requirements than upscaling alone; she was therefore already, in fact, a little apart.

Fsr 3 Frame Gen Amd
Hardware requirements FSR 3 / FR © AMD

FSR 3.1 therefore operates a complete separation. This assumed divorce should allow AMD FSR 3.1 image generation to work with other scaling solutions; mainly NVIDIA’s DLSS not to name it, but also Intel XeSS, a solution which does not offer any FR.

A few months ago, a modder made this disunity by injecting the FR of the FSR into NVIDIA’s DLSS. Digital Foundry also tested this mod last month.

Why a mod? Because the FR of DLSS 3 is reserved for GeForce RTX 40 Series.

Dlss 3 5 Geforce Rtx GPU Support

A choice that NVIDIA justifies by the presence of an optical flow accelerator specific to the Ada Lovelace architecture. AMD’s FR being less restrictive, opening it to DLSS allows a holder of a GeForce RTX 30 Series to benefit from it, while retaining the advantages of Deep Learning Super Sampling from NVIDIA, more qualitative than the FSR in the scaling field.

Finally, FSR 3.1 brings support for Vulkan and the Xbox Games Development Kit (GDK), while “The FidelityFX API makes it easier for developers to resolve bugs and ensures compatibility with future versions of the FSR” AMD alleges.

The company says it will provide more information when FSR 3.1 is available to developers on GPUOpen – we don’t know when. Concerning the number of games which support FSR 3, or which are likely to do so soon, AMD references 40.

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Daily Global Times
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