⚠️ Hardware Notes
Generating 4K portraits and performing high-resolution upscaling requires considerable GPU memory. If your local device struggles with VRAM or performance, running this workflow on a cloud-based ComfyUI environment is recommended.
☁️ Cloud Option
You can run this ComfyUI Z-Image 4K portrait workflow on Cephalon AI with just one click—no setup required, super easy and ready to use instantly.
Register here to try workflow with one click for free
（4000CEP for free Image and Video Generation）：
https://market.cephalon.ai/share/register-landing?invite_id=fOV8RD
Try workflow here with one click：https://market.cephalon.ai/
Operation Steps：
Open Community Apps and select ComfyUI Wuyangfeng Edition
Search for Z Image to run the corresponding workflow
Cephalon AI is a cloud platform tailored for ComfyUI. All required nodes and models are pre-configured, so you can use it immediately without any configuration.You can also find more high-quality ComfyUI workflows on the Cephalon AI website.
Workflow Overview
This ComfyUI workflow is designed for 4K high-resolution portrait generation, using the z-image-turbo model along with AWPortrait-Z LoRA for model-style portrait creation, combined with the 4x Upscale Model for high-resolution output.
The workflow focuses on facial structure, natural skin textures, and sharp details, making it ideal for fashion, character, and realistic portrait creation. It is also well-suited for commercial posters, promotional visuals, and other high-quality output needs.
✨ Workflow Highlights
Uses AWPortrait-Z LoRA for natural, clean, model-style portraits
Clear facial structure with realistic lighting and skin details
4x Upscale Model delivers 4K-level sharpness and detail
Upscaling maintains clean output without over-sharpening
📸 Use Cases
Model / fashion portraits
High-resolution character portraits
Avatars, commercial visuals, promotional graphics
4K outputs for web or print