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4d ago

AMD and Stability AI Debut BF16 Stable Diffusion 3.0 Medium Model for XDNA 2 NPUs

Available in Tensorstack’s Amuse 3.1 beta, the model leverages BF16 precision with a two-stage NPU pipeline to produce print-quality images offline.

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Overview

  • SD 3 Medium is the first block FP16 BF16 Stable Diffusion 3.0 Medium model tailored for AMD XDNA 2 NPUs and is now available in beta.
  • The model cuts system RAM usage to 9 GB on laptops with at least 24 GB of memory by processing data in BF16 format.
  • A two-stage NPU upscaling pipeline transforms 1024×1024 outputs into 2048×2048 print-quality images entirely on-device.
  • Users must install the latest AMD Adrenalin drivers and Tensorstack’s Amuse 3.1 beta before enabling ‘XDNA 2 Stable Diffusion Offload’ in EZ Mode to run the model offline.
  • Advanced prompting controls target content creators and designers seeking customizable, subscription-free stock visuals on Ryzen AI 300-series and MAX+ laptops.