AMD Ryzen AI HX 300 Gets Support for AFMF 2 and Variable Graphics Memory - Preview Driver Release

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AMD has announced early driver support for its Radeon 800M series integrated graphics in the Ryzen AI 300 series mobile processors, enabling new technologies such as AMD Fluid Motion Frames 2 (AFMF 2) and Variable Graphics Memory (VGM). These features have been optimized for the RDNA 3.5 graphics architecture, which powers the integrated GPU in the "Strix Point" silicon found in Ryzen AI 300 series processors.

The technology works independently of a game’s native support for frame generation features like FSR 3 Frame Generation. AFMF operates outside of the game's graphics pipeline, which introduces minimal system latency. The AFMF 2 update focuses on reducing this latency while maintaining the benefit of increased frame rates.


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Variable Graphics Memory (VGM) is another key feature that enhances AMD’s unified memory architecture in processors with integrated graphics. VGM dynamically allocates up to 75% of the system’s total memory as video memory for the integrated GPU, depending on the demands of 3D applications.


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This allocation helps avoid performance bottlenecks caused by excessive memory usage from the iGPU. For VGM to function effectively, a system must have at least 16 GB of main memory. It is important to note that VGM is separate from the default shared memory assigned to the iGPU, which typically ranges between 512 MB and 2 GB.


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AMD has released benchmark results that demonstrate how VGM improves performance in top-tier games such as Far Cry 6, Marvel's Guardians of the Galaxy, F1 23, and Horizon: Zero Dawn. For Marvel's Guardians of the Galaxy, using VGM is crucial for operating the game on the Radeon 890M integrated GPU found in the Ryzen AI 9 HX 370 processor. The benchmarks also show that enabling both AFMF 2 and VGM can boost game performance by 30-50%, varying by game.



Both AFMF 2 and VGM can be configured within the Performance > Tuning section of AMD Software. To enable these features, AMD has released a Technical Preview driver (version 24.20.11.01), which is compatible with Windows 10 and Windows 11 64-bit systems.

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