FSR 4 Redstone: AMD prepares its next-gen upscaling
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| AMD FSR 4 |
AMD has been preparing for the launch of FSR 4 'Redstone', which will be the first to fully utilize artificial intelligence and machine learning, and has released an important update for game developers.
As Alexander Blake-Davies, Senior Software Product Marketing Specialist at AMD, has announced via OpenGPU, AMD has started to prepare the introduction of its next upscaling evolution stage FSR 4 'Redstone', which for the first time will fully rely on the use of artificial intelligence ("AI"), machine learning ("ML") and a new AI model. FSR 3.1.4 is considered an important update for game developers and is now being rolled out.
Our latest version, FSR 3.1.4, includes several fixes, such as improved upscaling quality, and has a signed and more easily upgradeable DLL that supports our FSR-4 driver upgrade feature.
AMD
With the update from FSR 3.1.3 to 3.1.4, future updates should be even easier to implement and the release of FSR 4 'Redstone' is already being taken into account, according to AMD.
This feature makes updates to future versions of FSR easier than ever, including our upcoming Redstone technologies.
AMD
It is now even easier to integrate FSR 3.1.4 and AMD Radeon Anti-Lag 2 with the updated plug-ins for the Unreal Engine 5.6, so that developers can already easily prepare their players for FSR 4 'Redstone', which, according to AMD, should be released "later this year".
AMD FSR 4 'Redstone': AI Upscaling now targets path tracking
FSR 4 "Redstone" is to upgrade AMD's AI upscaling FSR 4 in the coming months with radiation reconstruction ("Ray Reconstruction") aka "Ray Regeneration" as well as a new frame generation with AI support. "Neural Radiance Caching", which is intended to speed up games with ray tracing and path tracing in particular, will also be included, as AMD already promised at Computex 2025
AMD FSR 4 supported GPU list
The actual AI upscaling, the so-called "super sampling", is also said to have been improved by an improved algorithm and a new AI model trained by machine learning and to deliver better results, especially at lower resolutions. Here, comparisons with the also significantly improved Transformer AI model from Nvidia are almost ideal.
With the update to FSR 3.1.4, the first components of FSR 4 'Redstone' will be implemented in the feature set of the upscaling technology, which will then be used with the upgrade to FSR 4 'Redstone'.
In addition to all the other benefits, such as reduced upscale ghosting and support for our FSR-4 driver upgrade feature, FSR 3.1.4 also already adds the required camera parameters to support the upcoming ML Frame generation. This feature is part of the update to FSR 4 Redstone.
AMD
FSR 4 "Redstone", which may be launched as FSR 4.1 in the second half of 2025, should, like FSR 4, be reserved for the latest Radeon generation based on the RDNA-4 architecture ("GFX12") and, in summary, bring the following improvements compared to FSR 4.
- A new AI model greatly improved by machine learning ("ML"), which is intended to improve AI upscaling ("Super Resolution"), especially at lower output resolutions.
- A ray reconstruction ("Ray Reconstruction"), which is called "Ray Regeneration" and is intended to improve the representation in games with ray tracing and path tracing.
- A new so-called "Neural Radiance Caching", which should potentially lead to more accurate illumination at a higher speed when using pathtracing.
- A new intermediate image calculation ("Frame Generation"), which for the first time uses artificially generated images using ML and will no longer use the algorithm of FSR 3.1.
FSR 4 "Redstone" is supported by the Radeon RX 9070 XT, Radeon RX 9070 and Radeon RX 9070 GRE with Navi 48 ("GFX1201") as well as by the Radeon RX 9060 XT with Navi 44 ("GFX1200") and pursues a holistic AI approach for the first time.
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