A model's ability to make 4K images directly, without enlarging a smaller one.
It is like printing a poster from the real photo. Not stretching a tiny selfie until it looks like pixel soup.
The details start out sharp. It helps with posters and product images.
Text-to-Image Generation
It gives Text-to-Image Generation a larger image straight from the model.
Diffusion
Diffusion often makes high-quality images and can support native 4K output.