AMD Next-Gen Radeon GPUs To Feature Variable Rate Shading For Faster Frame Rates, May Launch With Upcoming RX Navi Graphics Cards

AMD's next-generation GPUs, namely Navi and beyond, may utilize new shading techniques to deliver better performance in games. In a patent filed by AMD back in 2017, which was recently made public, it is stated that AMD was investing resources in developing advanced GPU shading technologies, namely, Variable Rate Shading (VRS) as found by Tomshardware.

AMD Next-Gen Radeon GPUs To Feature Variable Rate Shading - Better Game Performance on Navi Graphics Cards and Beyond

The said feature isn't something new in the industry as NVIDIA has already introduced Variable Rate Shading on their Turing architecture-based graphics cards. NVIDIA explains that their VRS (Variable Rate Shading) technology increases rendering performance and quality by applying varying amounts of processing power to different areas of the image.

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In simple terms, VRS will apply full details on sections of the frames where most of the attention is focused while reducing the rendering load on other parts, thus increasing overall performance. This method specifically helps when running games at higher resolutions. Following are some of the benefits of VRS:

Benefits of Apply Variable Rate Shading

  • Variable Rate Shading is a new rendering technique enabled by Turing GPUs. It increases rendering performance by applying full GPU shading horsepower to detailed areas of the scene, and less GPU horsepower to less detailed areas.
  • Variable Rate Shading works by varying the number of pixels that can be processed by a single pixel shader operation. Single pixel shading operations can now be applied to a block of pixels, allowing applications to effectively vary the shading rate in different areas of the screen.
  • Variable Rate Shading can be used to render more efficiently in VR by rendering to a surface that more closely approximates the lens corrected image that is output to the headset display. This avoids rendering many pixels that would be discarded before the image is output to the VR headset.
  • Coupled with eye tracking, Variable Rate Shading can be applied to maximize quality in the foveated area where the eye is directly looking and reduce the shading rate in the periphery. This method can improve rendering performance without noticeably impacting image quality.

When talking about overall improvement in games that utilize VRS, we can again take an example of NVIDIA hardware which utilizes this technology. The recently released NVIDIA GeForce GTX 1660 Ti features VRS and as such, it helps increase performance by up to 50% in Wolfenstein II, a game that currently supports the said feature. How this is achieved is also explained and you can see that rather than doing full rate shading across the image, specific frames are chosen where less shading can be applied while retaining the same image quality.


Now talking about Radeon graphics cards. It will be a really good choice for AMD to adopt VRS in their upcoming graphics cards since it would give developers more reason to implement the new technology in their upcoming titles, especially when it will help deliver better frame rates without reducing image quality. AMD is expected to launch their next-generation Radeon cards based on the Navi GPU architecture this year so we may very well see them featuring VRS.

Radeon Navi GPUs – AMD’s Brand New GPU Architecture, Aimed at Mainstream and High-Performance Gamers

Coming to Navi, AMD’s next biggest GPU architecture release in 2 years, the company would be following a similar strategy of launching it close to the mainstream CPU family. This would give AMD an opportunity to highlight their upcoming mainstream Radeon family to potential buyers. AMD is expected to announce their first Navi GPU based graphics cards in July as per the rumor mill.

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We have also seen various reports which indicate that Navi GPUs would be the underlying graphics architecture of next-generation consoles from Sony and Microsoft and since VRS also plays a huge role in making VR games better and faster, having VRS on Navi would indeed be a great choice for AMD graphics cards.

Would you like to see AMD feature Variable Rate Shading on Navi GPUs and Beyond?
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