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:<a target="_blank" rel="ugc" href="https://civarchive.com/models/630820?modelVersionId=944957">Flux_Fusion_v2_4steps-Q3_K_M.gguf</a><a target="_blank" rel="ugc" href="https://huggingface.co/city96/t5-v1_1-xxl-encoder-gguf/blob/main/t5-v1_1-xxl-encoder-Q3_K_S.gguf">t5-v1_1-xxl-encoder-Q3_K_S.gguf</a><a target="_blank" rel="ugc" href="https://huggingface.co/comfyanonymous/flux_text_encoders/blob/main/clip_l.safetensors">clip_l.safetensors</a><a target="_blank" rel="ugc" href="https://huggingface.co/jasperai/Flux.1-dev-Controlnet-Upscaler/blob/main/diffusion_pytorch_model.safetensors">Flux.1-dev-Controlnet-Upscaler</a><a target="_blank" rel="ugc" href="https://huggingface.co/ffxvs/vae-flux/blob/main/ae.safetensors">vae</a>Required custom nodes:GGUFLower resolutions may require less video memory.Higher resolutions may require more video memory.

Flux gguf 4 steps image Upscaler

Special thx to Olivio Sarikas. I borrowed an idea from his video on youtube.

Files with SHA256: cfc9530cc9dc2b1c142131cd21bb8fcf323fe10460b52fc4783e2ad53b43d4fe