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Modder runs NVIDIA DLSS 4.5 on AMD RX 9000 series GPUs using ZLUDA

Daniel Cross 0 comments 2 min read

A modder successfully runs NVIDIA DLSS 4.5 on AMD RX 9000 series GPUs using ZLUDA and hand- written code, though performance lags behind native FSR 4.

Modder runs NVIDIA DLSS 4.5 on AMD RX 9000 series GPUs using ZLUDA
GAME PERFORMANCE

A modder has successfully run 's 4.5 upscaling technology on 's upcoming RDNA 4 graphics cards. This technical feat matters to PC gamers because it demonstrates that NVIDIA's tools can bypass official vendor locks, even if the current implementation is not ready for daily gaming. The solution relies on translating proprietary code to work with AMD's new hardware architecture.

AMD RX 9000 series GPU running DLSS 4.5
AMD RX 9000 series GPU running DLSS 4.5

Technical feat demonstrates cross-vendor upscaling on RDNA 4 hardware

The project, dubbed 'dr4' or DLSS 4 Radeon, targets the entire RX 9000 series lineup. It supports specific models including the RX 9070 XT, RX 9070, RX 9070 GRE, RX 9060 XT, RX 9060, and the Radeon AI Pro R9700. The modder achieved this by combining ZLUDA compatibility layers with hand-written code and FP8 instructions to bridge the gap between NVIDIA's software and AMD's silicon.

The underlying mechanism requires significant system-level patches that are not yet publicly available. The mod depends on unreleased ZLUDA and updates to function, which limits its immediate utility. Consequently, the solution remains a proof of concept rather than a practical driver update for consumers. It highlights the technical complexity of cross-vendor software translation.

Performance benchmarks on the tested hardware show the mod struggles to compete with native alternatives. The frame generation quality and speed are significantly lower than AMD's own 4 technology. Even older DLSS 3 models run more efficiently on the same AMD GPUs. This marks the first time DLSS 4 and previous versions have been modded to operate on AMD graphics cards.

Our coverage of the last DLSS update highlighted similar themes of balance and stability across different platforms. This new mod continues that trend by showing how software can be repurposed across hardware boundaries. The technical achievement stands apart from official driver releases, which remain vendor-specific. Users seeking cross-compatibility should monitor for official support instead of depending on experimental modifications.

Source: TweakTown

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