Nvidia GeForce GPUs Using AI to Boost SDR Content to HDR
January 26, 2024
Nvidia is introducing a new AI feature for its RTX GPUs called RTX Video HDR that upgrades standard video into high dynamic range color space for customers that have an HDR10-compatible monitor running on Windows with HDR enabled. Announced at CES, the technology is now available for download through Nvidia’s January Studio Driver update. “PC game modders now have a powerful new set of tools to use with the release of the Nvidia RTX Remix open beta,” which combines “full ray tracing, Nvidia DLSS and Nvidia Reflex” with “generative AI texture tools so modders can remaster games more efficiently,” according to the company.
Leveraging the tensor cores on GeForce RTX GPUs, RTX Video HDR “allows gamers and creators to maximize their HDR panel’s ability to display vivid, dynamic colors, preserving intricate details that may be inadvertently lost due to video compression,” Nvidia writes in a blog post, adding that when in combination with RTX Video Super Resolution the new add-on will “produce the clearest live-streamed video anywhere, anytime” for those using “Chromium-based browsers such as Google Chrome or Microsoft Edge.”
The RTX Video HDR tech is part of Nvidia’s 551.23 Game Ready driver release for its new RTX 4070 Ti SUPER series video card launch, writes The Verge.
Nvidia’s new card, “part of the 40 SUPER Series announced at CES, is equipped with more CUDA cores than the RTX 4070, a frame buffer increased to 16GB, and a 256-bit bus — perfect for video editing and rendering large 3D scenes,” Nvidia says, noting that “it runs up to 1.6x faster than the RTX 3070 Ti and 2.5x faster with DLSS 3 in the most graphics-intensive games.”
The Verge compares RTX Video HDR to Nvidia’s RTX Video Super Resolution, which it says “can upscale old, blurry web videos.”
“Considering that RTX Video HDR appears to work more or less as expected and is supported on all RTX GPUs — going all the way back to the RTX 20 series — it doesn’t seem like there’s any reason to not enable it if you have an HDR monitor,” writes Tom’s Hardware, noting that “more thorough testing might reveal any shortcomings that Nvidia’s new AI feature has.”
PC Magazine says “this all rather underlines the broader issue of flakey HDR support across the Windows platform,” which it says can be “a bit of a minefield,” wondering “whether converting SDR games rather than mere video into HDR wouldn’t be an even better fit.”
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