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NVIDIA's new DLSS 3.5: A boost for ray tracing across all RTX-series GPUs

By The Count - on 28 Aug 2023, 12:00pm

NVIDIA's new DLSS 3.5: A boost for ray tracing across all RTX-series GPUs

NVIDIA is set to roll out DLSS 3.5 this fall, with a brand-new AI-driven Ray Reconstruction feature aiming to elevate the quality of ray tracing in games. This enhancement is a significant departure from DLSS 3's Frame Generation, which is exclusive to the RTX 40-series GPUs. The new update will expand ray tracing improvements to the entire RTX-series GPUs, encompassing even the RTX 20 series.

A primary focus of DLSS 3.5 will be on video games that leverage path tracing – a comprehensive form of ray tracing. Unlike games that utilise ray tracing for specific components such as shadows or reflections, those with path tracing will benefit more substantially from DLSS 3.5. Notably, Cyberpunk 2077 is poised to support DLSS 3.5 through its Phantom Liberty DLC releasing on 26 September. The DLC will also incorporate the path tracing showcased earlier this year. Cyberpunk 2077 was also one of the earliest titles to support DLSS 3 back in February.

Additionally, gamers can look forward to Alan Wake 2, launching on 27 October, replete with DLSS 3.5 and comprehensive ray tracing. Furthermore, Portal with RTX is slated for a DLSS 3.5 upgrade this season.

Previously, DLSS deployed manually tuned denoisers to fill gaps in pixels for each ray-traced scene's lighting pass. While effective, it occasionally led to issues like colour inconsistencies, lighting errors, and sporadic ghosting. With DLSS 3.5, NVIDIA aims to tackle these challenges, employing an AI-orchestrated network that purportedly produces superior quality pixels.

Beyond gaming, NVIDIA is broadening the horizons for DLSS 3.5. Creative professionals can harness the technology in 3D editing platforms such as Chaos Vantage, D5 Render, and NVIDIA Omniverse. This integration promises to deliver sharper, more precise render previews within these applications.

However, the transition to DLSS 3.5 might require a gestation period. Developers will need time to incorporate the new technology, especially as it shines brightest in games with comprehensive ray tracing. In the interim, DLSS 3 continues its integration with major titles. Fortnite, for instance, is set for a DLSS 3 refresh this fall, offering RTX 40-series owners the option to amplify frame rates via Frame Generation. Additionally, Call of Duty: Modern Warfare 3, scheduled for release on 10 November, will be compatible with both DLSS 3 and Reflex.

Source: NVIDIA Explainer, NVIDIA Blog, NVIDIA YouTube

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