Stable Diffusion CPU-only

I spent much time trying to install Stable Diffusion on an Intel NUC Hades Canyon with Core i7 (8th Generation) and an AMD RX Vega (4GB), with no success. 4GB is tricky. AMD is trickier.

I gave up on my NUC and installed on my laptop with Windows, GeForce GTX 1650. That worked, and a typical image (512×512 and 20 samples) takes about 3 minutes to generate.

For practical reasons I wanted to run Stable Diffusion on my Linux NUC anyway, so I decided to give a CPU-only version of stable diffusion a try (stable-diffusion-cpuonly). It was a pretty easy install, and to my surprise generation is basically as fast as on my GeForce GTX 1650. I have 16GB of RAM and that works fine for 512×512. I think 8GB would be too little and as usual, lower resolutions than 512×512 generates very bad output for me.

So when you read “stable diffusion requires Nvidia GPU with at least 4GB of RAM”, for simple hobby purposes any computer with 16GB of RAM will be fine.

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