ComfyUI-CXN

By cxnView on GitHub →

ComfyUI custom nodes for FBX loading and offscreen rendering.

How much VRAM does ComfyUI-CXN require?

Direct Answer: The ComfyUI node ComfyUI-CXN requires a minimum base VRAM of 128MB and is optimized for GPUs with at least 4GB of VRAM. Low VRAM mode is fully supported for resource-constrained setups.

High (2-4GB)
Base VRAM:
128MB (0.1GB)
Recommended GPU:
4GB+ VRAM
Low VRAM Mode:
✓ Supported
Estimation Confidence:
MEDIUM

Interactive VRAM Compatibility Estimator

Estimated Total VRAM: 3.00 GBTarget: 8 GB
✅ Comfortable Fit

Your GPU has plenty of headroom. You can run this node safely with your active configurations!

Deploy on High-Performance GPUs

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🚀 Deploy on Vast.ai

Deploy on Cloud GPUs

Need more VRAM to run ComfyUI with this node? Rent low-cost, high-performance cloud GPUs on RunPod instantly.

🚀 Deploy on RunPod

What Python packages are required for ComfyUI-CXN?

Direct Answer: Running ComfyUI-CXN requires installing the following Python package dependencies: numpy, opencv-python, pillow, pyassimp>=4.1.4, pyopengl>=3.1.7, pyrender>=0.1.45, scikit-image, trimesh>=4.0. Ensure your ComfyUI environment has these packages active before launching.

requirements.txt
numpy
opencv-python
pillow
pyassimp>=4.1.4
pyopengl>=3.1.7
pyrender>=0.1.45
scikit-image
trimesh>=4.0

Interactive Setup & Dependency Resolver

Operating System:
Environment Type:
Run this terminal command in your ComfyUI root folder:
# Loading command...

Related Custom Nodes

The following custom nodes run in the same PyTorch / CUDA environment and share similar categories or workflows:

AnimateDiff Evolved
by Kosinkadink4.0GB VRAM
Batch Video Loader
by skakjskj189212-tech4.0GB VRAM
COMFYUI-MODELINSTALLER
by Pis7i4.0GB VRAM
Chaser's Custom Nodes
by chaserhkj4.0GB VRAM

Frequently Asked Questions

How much VRAM does ComfyUI-CXN require?

ComfyUI-CXN requires a minimum of 128MB (0.1GB) of VRAM for base operation. For optimal performance, a GPU with at least 4GB of VRAM is recommended. This node supports low VRAM mode for resource-constrained setups.

Can I run ComfyUI-CXN on an RTX 3060, RTX 4070, or RTX 4090?

✅ RTX 3060 (12GB): Yes, fully compatible with 10.7GB headroom. ✅ RTX 4070 (12GB): Yes, fully compatible with 10.7GB headroom. ✅ RTX 4070 Ti (16GB): Yes, fully compatible with 14.3GB headroom. ✅ RTX 4090 (24GB): Yes, fully compatible with 21.5GB headroom

What Python packages are required for ComfyUI-CXN?

To run ComfyUI-CXN, you need to install: numpy, opencv-python, pillow, pyassimp>=4.1.4, pyopengl>=3.1.7, pyrender>=0.1.45, scikit-image, trimesh>=4.0. You can install these using pip or add them to your requirements.txt file.

How can I reduce VRAM usage when running ComfyUI-CXN?

ComfyUI-CXN supports low VRAM mode. To reduce memory usage: (1) Enable --lowvram or --medvram flags in ComfyUI, (2) Reduce batch size to 1, (3) Use fp16 or fp8 precision if supported, (4) Close other GPU applications.

How do I install ComfyUI-CXN in ComfyUI?

To install ComfyUI-CXN: (1) Navigate to your ComfyUI/custom_nodes directory, (2) Clone the repository: git clone https://github.com/cxntibor/ComfyUI-CXN, (3) Install dependencies: pip install -r requirements.txt (if present), (4) Restart ComfyUI. Alternatively, use ComfyUI Manager for one-click installation.