With FSR 3.1.4, AMD is establishing the groundwork for “Redstone,” which is expected to launch later this year as a significant upscaling enhancement for existing Radeon graphics cards.
During Computex 2025, AMD revealed a new upscaling update for FSR 4 (“FidelityFX Super Resolution”). Named “Redstone,” the initiative aims to enhance implementation in three primary areas; the release is scheduled for the latter half of 2025.
The company has now set the stage for this, as described in the GPUOpen developer blog. This progress is reflected in the update to FSR 3.1.4, which is currently available.
AMD Redstone: Four points for a hallelujah
The update to FSR 3.1.4 can be summed up quite succinctly. In comparison to its direct predecessor, only a few minor ghosting issues have been resolved.
However, the next sentence in the developer blog becomes intriguing, as “FSR 3.1.4 also introduces the essential camera parameters to enable ML frame generation” – meaning, part of the previously mentioned Redstone feature set. Since game developers should find it relatively straightforward to transition from FSR 3 to FSR 4, this is a significant update.
Essentially, Redstone aims to create a buzz with four distinct points:
- Neural Radiance Caching: This innovation employs a grid of AI-driven neural networks that continuously adapt from game data and forecast how light will distribute in a scene.
- ML Ray Regeneration: This seeks to tackle one of the primary challenges with ray tracing: the excessive number of samples necessary for clear images. Rather than depending on traditional denoising methods, this AI-powered approach reconstructs absent pixel information.
- ML Frame Generation: While AMD previously depended on vector-based frame generation in FSR 3, Redstone is ushering in a fully AI-driven solution – and this is precisely what FSR 3.1.4. is founded on.
- ML Super Resolution: The same principle applies to the actual upscaler, where AMD utilizes an ML-augmented AI model to deliver superior images, particularly at lower starting resolutions.
However, there remains a drawback to Redstone, as the new features are exclusively available on the RDNA 4 architecture. This means that only the Radeon RX 9070 (XT) and RX 9060 (XT) will take advantage of the enhanced features. AMD seems to have given up on plans to extend the new technologies to earlier generations.
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