https://wccftech.com/amd-rdna2-support-for-raytracing-variable-rate-shading/

AMD has already made a huge impact on the GPU market with its RDNA Radeon RX 5700 series and will continue the fight against NVIDIA with the RX 5500 series, but AMD has another project up its sleeve that will bring new and improved features to RDNA's successor, RDNA2.

Being that Microsoft's upcoming Xbox Series X will feature a semi-custom AMD SoC with raytracing as a primary focus, one may conclude Microsoft's mention of AMD's 'Next Generation RDNA' architecture is referring to AMD's RDNA2. Currently, AMD and Microsoft's Xbox SoC is believed to be produced on TSMC's 7nm EUV node, a step up from TSMC's existing 7nm node which AMD's Zen 2 CPUs are manufactured on, and, according to AMD's roadmap for RDNA, may be the definition of what AMD refers to as '7nm+'