AMD launches FSR 4.1 for RX 9000 GPUs, boosting ray regeneration and upscaled detail

AMD’s latest Radeon Software driver unlocks FSR 4.1 for the RX 9000‑series, and the visual jump is immediately noticeable. In a demo of Crimson Desert—the first title to ship with Ray Regeneration 1.1—AMD shows foliage that retains crisp edges and individual blades of grass that no longer melt into a blurry smear, a claim backed by Tom’s Hardware. The improvement stems from an upgraded “ML‑powered” upscaler model that replaces the original FSR 4 engine when the driver overrides are enabled, delivering finer detail in motion without the typical artifacting that plagued earlier AI‑upscaling attempts.

Ray Regeneration, AMD’s answer to Nvidia’s DLSS Ray Reconstruction, also receives a bump. Version 1.1, highlighted in the same Tom’s Hardware preview, denoises a limited set of ray‑traced samples and reconstructs them into a higher‑quality image, producing deeper contrast, more realistic shadows, and richer global illumination. The side‑by‑side comparisons AMD released show a noticeable lift in reflective fidelity and ambient lighting, suggesting the technology is moving closer to parity with Nvidia’s ray‑tracing pipeline for titles that already support AMD’s Redstone framework.

Beyond image quality, the driver tweaks Ultra Performance Mode (UPM), the low‑resolution rendering path that prioritises frame‑rate. While AMD did not publish exact numbers, the company notes a “modest FPS boost” when UPM is paired with FSR 4.1, implying that the newer upscaler can recover more visual information from a smaller source buffer. For competitive gamers who rely on high refresh rates, this could translate into a few extra frames per second without a perceptible dip in perceived sharpness, according to the same Tom’s Hardware report.

The rollout also expands official support to Death Stranding 2, joining Crimson Desert as the first games to ship with Ray Regeneration 1.1. AMD’s social‑media announcement on March 19, 2026 emphasized that any “ML‑powered” title already compatible with FSR Redstone will automatically benefit from the driver‑level upgrade, meaning the community can expect a cascade of visual enhancements across the existing library without needing individual patches from developers.

Industry observers see FSR 4.1 as a strategic move to narrow the performance‑quality gap with Nvidia’s RTX 50 series, which is slated for a CES unveiling later this year. Ars Technica has previously noted that the RX 9000 GPUs aim to “fix two of AMD’s biggest weaknesses” by improving ray tracing and AI‑backed upscaling. With the driver update now delivering tangible gains in both domains, AMD is positioning its hardware as a viable alternative for gamers who want high‑fidelity visuals without the premium price tag of competing solutions.