AMD’s FSR “Redstone” update is finally here, but it’s not as straightforward as expected — Here’s what you need to know

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As promised, AMD released its FSR “Redstone” update in late 2025, with only a few weeks remaining in the year. It’s included in the AMD Adrenalin 25.12.1 driver update and is also accessible to game developers through a new Redstone SDK.

AMD revealed plans for “Redstone,” an enhanced version of FidelityFX Super Resolution 4, at Computex 2025. This upgrade will significantly improve Super Resolution and Frame Generation using advanced machine learning.

Now that it’s released, I’ll be honest – it’s a little complicated. Besides the big Redstone updates (which are limited to specific AMD graphics cards), AMD has also changed the names of some of its features. Here’s a breakdown of what’s new.

What is AMD FSR Redstone?

AMD’s FidelityFX Super Resolution (FSR) is similar to NVIDIA’s DLSS. Both technologies use artificial intelligence to improve game performance – making games run more smoothly, look sharper, and achieve faster frame rates. While NVIDIA has consistently used the DLSS name, AMD is still refining how it brands its FSR technology.

AMD is now using the name ‘Redstone’ to cover all of its AI-powered upscaling technologies. As part of this change, FSR 4 is now simply called ‘FSR Upscaling’ and is considered one of the techniques within the Redstone family.

AMD has shortened the name of its “FidelityFX Super Resolution” technology to just “FSR,” which is what most people have been calling it for a while now.

AMD announced that with the release of Redstone, over 200 games now work with at least one of its Redstone technologies, like FSR Upscaling, FSR Frame Generation, FSR Ray Regeneration, or FSR Radiance Caching. Specifically, 32 games – including titles like Arc Raiders, Call of Duty: Black Ops 7, and Cyberpunk 2077 – have been confirmed to support FSR Frame Generation.

Let’s talk about FSR Ray Regeneration. Currently, it seems only Call of Duty: Black Ops 7 uses this technology. AMD’s FSR Radiance Caching is still very new, and AMD expects developers will start using it around 2026.

This update is designed for owners of the newest AMD Radeon RX 9000 series graphics cards, which are built with the RDNA 4 architecture. While older hardware can use simpler versions of the upscaling and frame generation features in FSR 3.1, the more advanced Ray Regeneration and Radiance Caching technologies are exclusive to the latest AMD graphics cards.

How does AMD FSR Redstone perform?

The team at PC Gamer recently tested AMD’s new Redstone update using a Radeon RX 9070 XT graphics card.

In short, AMD’s latest Frame Generation technology is a significant improvement, now rivaling NVIDIA’s DLSS. While it doesn’t yet offer the same level of performance boost (3x and 4x generation) as DLSS, it’s a noticeable step forward. Plus, their Ray Regeneration feature, currently available in just one game, appears to be performing well.

While AMD still needs to catch up to NVIDIA’s DLSS technology, this feels like a positive advancement for Radeon graphics cards. It’s a shame, though, that it isn’t compatible with older AMD GPUs.

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2025-12-11 17:39