Flux1Dev Image Creation then Nunchaku Model Ultimate Upscale (very Fast).
So i wanted to creat a Good Image and Use then Nunchaku only as Upscaler in Ultimate SD Upscale.
Have fun with it.
The upscale took on my 4060 8GB (Laptop GPU) from 1080x1080 to 2160x2160 only 480 seconds with 25 Steps on Upscaler 2x