Size models, as people already pointed out. Also: keep in mind that reaolution of the images generated by txt2img models it is usually around 512*512. If you wa

Size models, as people already pointed out. Also: keep in mind that reaolution of the images generated by txt2img models it is usually around 512*512. If you wanted a 50 megapixel photo, the VRAM requirement would grow by a lot. Granted, the number of parameters in the model would still be the same.