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NVIDIA Ampere GeForce RTX 3080 and 3090 could feature a ray-tracing traversal coprocessor: better ray-tracing performance than PlayStation 5, Xbox Series X, and Big Navi?

An alleged RTX 3080 graphics card (Image source: Chiphell)
An alleged RTX 3080 graphics card (Image source: Chiphell)
According to a Coreteks video, NVIDIA might be deploying a dual-sided PCB design, with a ray-tracing traversal coprocessor residing opposite the GPU die. This could potentially provide the RTX 3080 and RTX 30980 with a massive boost to ray-tracing capabilities.
Arjun Krishna Lal,

According to a video by tipster Coreteks, NVIDIA's upcoming Ampere GeForce RTX 3080 and related cards could be set to feature a traversal coprocessor, separate from the GPU die, to massively accelerate hardware ray-tracing perfor­mance. NVIDIA will purportedly use a dual-sided PCB design to implement the coprocessor: it will sit opposite the GPU core.

This approach has significant advantages compared to NVIDIA's current strategy of stuffing RT cores alongside standard CUDA cores on-die: dedicating the entire GPU chip to raster workloads gives NVIDIA an easy way to deliver substantial gains to Ampere graphics performance, even without major architectural changes relative to Turing.

NVIDIA has been playing with the idea of a traversal coprocessor for quite some time, having submitted a patent application for the technology as far back as 2018.The traversal coprocessor could be how NVIDIA manages to improve ray-tracing performance to the extent promised by the rumour mill: RTX 2080 Ti levels of ray tracing in the mid range RTX 3060.

We've heard very little so far from NVIDIA regarding its consumer-oriented Ampere Geforce graphics cards. However, with the impending arrival of the PlayStation 5 and Xbox Series X, as well as the launch of AMD's RDNA2 Big Navi lineup, we should hear more soon.

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> Notebook / Laptop Reviews and News > News > News Archive > Newsarchive 2020 06 > NVIDIA Ampere GeForce RTX 3080 and 3090 could feature a ray-tracing traversal coprocessor: better ray-tracing performance than PlayStation 5, Xbox Series X, and Big Navi?
Arjun Krishna Lal, 2020-06-15 (Update: 2020-06-15)
Arjun Krishna Lal
Arjun Krishna Lal - News Editor
I've had a passion for PC gaming since 1996, when I watched my dad score frags in Quake as a 1 year-old. I've gone on to become a Penguin-published author and tech journalist. When I'm not traveling the world, gathering stories for my next book, you can find me tinkering with my PC.