At the Hot Chips 2025 conference, AMD offered an in-depth glimpse into the groundbreaking design of the RDNA4 GPU. During this presentation, AMD shared its design philosophy for the first time, emphasizing the pivotal role of modularity. RDNA4 fully embraces a modular design, enabling seamless adaptability to varying demands. This approach allows components such as the core compute module, Infinity Fabric bus, level 3 cache, and memory controller to be dynamically added or removed, fostering the creation of diverse product tiers. This design strategy not only eliminates redundant efforts but also significantly reduces costs and expedites the development cycle.

Moreover, RDNA4 underscores security and reliability by implementing robust access control mechanisms at multiple levels. These measures prevent software from amassing excessive permissions, which could jeopardize stability, and safeguard against malicious software attacks. Modular design has emerged as the cornerstone of the RDNA4 RX 9000 series' success, providing AMD with unprecedented design flexibility, cost efficiency, faster time-to-market, and highly competitive pricing and market positioning.