It needs less vram than flux.
Higher resolutions may require more vram.
The higher denoise strength - the better the image quality and the less it resembles the original.

Recommendations:

• denoise level 0.2-0.3

• Real-ESRGANx2 and 4xNMKD-Siax

All required models download links:

1. Z-image-turbo-quantized

2. Qwen3-4B-quantinized-text-encoder

3. vae

4. download any upscale model you like from here upscalers

Required custom nodes:

1. ComfyUI-Essentials

2. ComfyUI-KJnodes