AMD RDNA 4's Modular SoC Nature & Flexible Configurability Helps Spawn Smaller & Diverse GPUs Such as Navi 44, Highlights Features To Reduce Memory & Bandwidth Needs

AMD further detailed its RDNA 4 GPU architecture and its Modular SoC design, along with new memory & bandwidth compression techniques.

AMD RDNA 4 GPU Architecture Recapped Along With New Modular SoC Details At Hot Chips 2025

We already shared the full deep-dive into the AMD RDNA 4 architecture when it was unveiled back in February of this year. Today, AMD provides a bit more detail, and before diving into the modular SoC nature of the chip, let's talk about some new highlighted features.

One interesting point highlighted by AMD was the use of LPDDR memory for lower-end RDNA 4 GPU SoCs. They state that while LPDDR offers lower power, it still doesn't provide sufficient bandwidth, and the shoreline required for such a chip will be larger, thus increasing its package size. Hence, this is