Core Viewpoint - AMD's current Radeon RX 9000 series, based on RDNA 4 architecture, is not aimed at challenging NVIDIA in the high-end desktop GPU market, with the RX 9070 XT positioned against NVIDIA's mid-range GeForce RTX 5070 Ti [2] Group 1: AMD's Development and Future Plans - AMD's senior researcher Laks Pappu is involved in the development of next-generation GPUs, including Navi4x and Navi5x architectures, indicating potential advancements in chip design [2][3] - Pappu's experience at Intel, where he worked on high-end graphics processors, positions him to influence AMD's future GPU designs significantly [3] - The development cycle for high-end GPUs typically spans 2.5 to 3.5 years, suggesting that while RDNA 4 and CDNA 4 architectures are already defined, Pappu's input could impact the physical implementation and performance optimization of upcoming products [3][4] Group 2: Multi-Chip Design Challenges - Building multi-chip consumer GPUs presents significant challenges due to the need for high-speed, low-latency communication between processing units, which is critical for performance [5] - The complexity of software and driver integration for multi-chip GPUs adds another layer of difficulty, limiting such designs primarily to data center and HPC applications [5][6] - AMD's previous experience with multi-chip designs in CPUs and the Radeon RX 7900 series suggests that the company is well-positioned to explore multi-chip GPU architectures in the future [6] Group 3: Future Product Expectations - Pappu's involvement in the Navi 5x development indicates that AMD may adopt 2.5D or 3.5D packaging for future GPUs, potentially leading to innovative designs [4][7] - The expected release timeline for RDNA 5 is around late 2026 to early 2027, with the architecture likely entering the tape-out phase by mid-2025 [7][8] - AMD is anticipated to conduct tests on actual hardware in the coming months to evaluate the feasibility of multi-chip designs for consumer GPUs, which may lead to interesting developments [8]