The RDNA 2 architecture is a graphics architecture developed by AMD for its Radeon series of graphics cards. It offers improved performance and efficiency compared to its predecessor, RDNA. This architecture supports advanced features like hardware-accelerated ray tracing, which enhances visual realism in games. Additionally, RDNA 2 is designed to work seamlessly with Microsoft's DirectX 12 Ultimate and AMD's FidelityFX, providing developers with tools to create stunning graphics. The architecture is also utilized in gaming consoles like the PlayStation 5 and Xbox Series X, showcasing its versatility and power in both PC and console gaming environments.