AMD RDNA 4 GPUs To Feature Enhanced Ray Tracing Architecture With Double RT Intersect Engine, Coming To Radeon RX 8000 & Sony PS5 Pro
AMD RDNA 4 GPUs are expected to feature a brand new and enhanced Ray Tracing engine for Radeon RX 8000 & Sony PS5 Pro.
AMD's Radeon RX 8000 & Sony PS5 Pro To Benefit From Enhanced Ray Tracing Engine Featured On AMD RDNA 4 GPU Architecture
Previously, it was reported that AMD's RDNA 4 GPUs would feature major changes within its Ray Tracing engine. These enhanced RT blocks were to be incorporated in GPUs that would go on to power Radeon RX 8000 graphics cards and Sony PS5 Pro, both of which are expected to debut in the coming year.
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Now, @Kepler_L2 has shared some more information regarding these ray tracing enhancements coming to RDNA 4. These changes include the following:
- Double Ray Tracing Intersect Engine
- RT Instance Node Transform
- 64B RT Node
- Ray Tracing Tri-Pair Optimization
- Change flags encoded in barycentric to simplify the detection of procedural nodes
- BVH Footprint Improvement
- RT support for OBB and Instance Node Intersection
AMD has been on an uphill battle against NVIDIA who have been a generation ahead of them when it comes to ray tracing support. Although the first generation of ray tracing support came to AMD in 2020 with the debut of the RDNA 2 graphics family (Radeon RX 6000), NVIDIA was introduced back in 2018 with its Turing (GeForce RTX 20) lineup.
Despite launching a year after NVIDIA, the RDNA 2 GPUs lacked in front of the Turing GPUs and had an even more difficult time competing against the Ampere (GeForce RTX 30) lineup. With the current Ada (GeForce RTX 40) GPUs, NVIDIA is still miles ahead of AMD's latest Radeon RX 7000 (RDNA 4) lineup.
With these new changes coming to RDNA 4 GPUs, AMD might have a strong offering when it comes to Ray Tracing performance. Earlier rumors have also indicated that the Sony PS5 Pro will take full advantage of these Ray Tracing enhancements since the console market is
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