- DLSS 4.5 presets L and M produce a superior result when the in-game denoiser is disabled.
- Upon testing, it was revealed that the in-game denoiser was interfering with the upscaler.
- DLSS 4.5 likely has its own denoiser baked into it, which looks better than the ones used in games.
Nvidia’s DLSS technology has come a long way, and the latest 4.5 rendition works wonders, delivering image quality better than that on native resolution, depending on the presets.
However, for lower presets, specifically the M and L versions, actually produce noised ray-traced reflections when turned on. However, fixing that is just as simple as disabling the in-game noiser, which results in a far better-looking image quality and ray tracing result.
Why it matters: This simple fix shows that the DLSS 4.5 presets M and L have issues, and Nvidia needs to resolve them, potentially in a future version of the technology.
Folks at Digital Foundry made this discovery and found that disabling the in-game denoiser does wonders on presets L and M, and the difference, as shown, is day and night.
The interesting reveal is that DLSS 4.5 denoising actually works better than the stock denoisers in-game. If anything, having an upscaler with this capability would do wonders for games with heavy ray-tracing.
As for the reason behind the poor image when the in-game denoiser is turned on, the tech experts talked with a third-party developer and found that preset L and M have poor interplay with ray tracing effects denoising that is done prior to DLSS upscaling a lower resolution image.
Furthermore, it’s also understandable that DLSS 4.5 potentially has its own denoiser baked into it, which interferes with the one used in-game when forced. Hopefully, Nvidia will take this into account for future DLSS updates and fix it.
Overall, Digital Foundry concluded that preset L and M are quite similar to each other, with preset L having the advantage of handling better noise and aliasing on vegetation.
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[Staff Writer]
Shaheer is currently pursuing a Business degree while also working as a part-time Content Writer. With his deep passion for both writing and video games, he has seamlessly transitioned into a role as a Journalist. Over the past two years, Shaheer has contributed as a freelancer to various websites and landed positions on acclaimed platforms like Gamerant. Currently, his role at Tech4gamers is as a Features Writer, but he also covers News occasionally. Shaheer’s favorite gaming franchises are Assassin’s Creed and the God of War series.
Get In Touch: shaheerzahid03@gmail.com
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