pixaroma

In this episode of the ComfyUI course, you’ll learn how to install the Nunchaku custom node, understand int4 and fp4 Nunchaku models, and use ready-made Nunchaku workflows to significantly reduce VRAM usage and speed up image generation. This tutorial is ideal for users with RTX 30, 40, and 50 series GPUs, especially those working with limited VRAM.

By the end of this video, you will know:

• How to install the ComfyUI Nunchaku node using the easy installer
• Which Nunchaku model type (int4 vs fp4) is right for your GPU
• Where to place Nunchaku diffusion models, CLIP encoders, and VAEs
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This ComfyUI course for beginners teaches you how to use ComfyUI from scratch, starting with the fundamentals and building a real understanding of how AI image generation works locally.
This ComfyUI course is approximately 5 hours long and is designed for visual thinkers who want to understand workflows instead of copying them blindly.
In this episode, you’ll learn what ComfyUI is, how diffusion-based image generation works, how nodes connect, and how to confidently navigate and build workflows step by step. No coding knowledge is required.