In a groundbreaking development for gamers and modders alike, a new tool called Optiscaler has emerged, allowing users to inject AMD’s latest upscaling technology, FSR4, into games that already support NVIDIA’s DLSS2+ and Intel’s XeSS. This innovation opens up a world of possibilities for enhancing graphics performance in popular titles, including Cyberpunk 2077.
Key Takeaways
- Optiscaler Tool: Enables injection of FSR4 into DLSS2+/XeSS games.
- Compatibility: Currently requires RDNA4 GPUs for optimal performance.
- Experimental Phase: FSR4 support is still in testing, with potential bugs.
- Game Support: Not all games are compatible; developers maintain a list of supported titles.
The Rise of Optiscaler
The Optiscaler tool has quickly gained traction among the gaming community, allowing modders to enhance the visual quality of games that utilize existing upscaling technologies. This tool supports multiple upscaling algorithms, including FSR2, FSR3, FSR4, and XeSS, making it a versatile addition to any gamer’s toolkit.
The introduction of FSR4, which debuted alongside AMD’s Radeon RX 9070 series, is particularly exciting. However, it is important to note that FSR4 is currently only functional on RDNA4 GPUs, limiting its immediate accessibility. Despite this, the ability to inject FSR4 into games that already support DLSS or XeSS is a significant leap forward.
How It Works
- Installation: Users must download the Optiscaler tool and follow the installation instructions provided by the developers.
- Game Compatibility: Check if the game is on the list of compatible titles. Popular games like Cyberpunk 2077 are among the first to benefit from this modding capability.
- Performance Boost: Once injected, players can experience improved image quality and performance, with reports of achieving over 60 FPS at 1440p with full path tracing enabled.
High Yield has put out a guide on how to enable FSR4 in Cyberpunk 2077:
A guide on how to enable FSR4 in Cyberpunk 2077 on a @amdradeon RX 9070 (XT) RDNA4 GPU with OptiScaler.
Spoiler: Full Path Tracing with >60 FPS on 1440p@FSR4 Perf. is possible! pic.twitter.com/vBLB4rcsg8
— High Yield (@highyieldYT) March 10, 2025
The Future of FSR4
AMD’s FSR4 technology promises to deliver superior upscaling quality compared to its predecessor, FSR3. The potential for a simple upgrade path from FSR3.1 to FSR4 could allow many existing games to benefit from enhanced graphics with minimal effort from developers. This could lead to a rapid expansion of FSR4 support across a wide range of titles.
However, the initial exclusivity of FSR4 to RDNA4 GPUs raises questions about future compatibility with older architectures. As modders continue to experiment with Optiscaler, the gaming community eagerly anticipates further developments and improvements.
Conclusion
The ability to inject AMD’s FSR4 into DLSS2+/XeSS games represents a significant advancement in gaming technology, empowering modders and enhancing the gaming experience. As the tool matures and more games become compatible, players can look forward to a new era of graphics performance and visual fidelity. The gaming landscape is evolving, and with tools like Optiscaler, the possibilities are endless.
Via VideoCardz

