My 4steps workflow which I use to up-scale images on my rx 6800xt graphics card.
The lower denoise strength - the more similar the image is to the original.
All required models download links:
Flux_Fusion_v2_4steps-Q3_K_M.gguf
t5-v1_1-xxl-encoder-Q3_K_S.gguf
Flux.1-dev-Controlnet-Upscaler
Required custom nodes:
GGUF
Lower resolutions may require less video memory.
Higher resolutions may require more video memory.
Description
Special thx to Olivio Sarikas. I borrowed an idea from his video on youtube.