ComfyUI Preview Monitor

By xhh522View on GitHub →

A powerful ComfyUI custom node for image preview and monitoring

How much VRAM does ComfyUI Preview Monitor require?

Direct Answer: The ComfyUI node ComfyUI Preview Monitor requires a minimum base VRAM of 256MB 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:
256MB (0.3GB)
Recommended GPU:
4GB+ VRAM
Low VRAM Mode:
✓ Supported
Estimation Confidence:
HIGH

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!

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What Python packages are required for ComfyUI Preview Monitor?

Direct Answer: Running ComfyUI Preview Monitor requires installing the following Python package dependencies: numpy>=1.20.0, pillow>=8.0.0, pygame>=2.0.0, pywebview>=4.0.0 # For hybrid mode (optional), screeninfo>=0.8.0 # For multi-monitor support. Ensure your ComfyUI environment has these packages active before launching.

requirements.txt
numpy>=1.20.0
pillow>=8.0.0
pygame>=2.0.0
pywebview>=4.0.0   # For hybrid mode (optional)
screeninfo>=0.8.0  # For multi-monitor support

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:

0x-jerry/Rembg Background Removal Node for ComfyUI
by 0x-jerry128MB VRAM
A8R8 ComfyUI Nodes
by ramyma128MB VRAM
AI4ArtsEd Nodes
by joeriben128MB VRAM
AIFSH/ComfyUI-AuraSR
by AIFSH128MB VRAM

Frequently Asked Questions

How much VRAM does ComfyUI Preview Monitor require?

ComfyUI Preview Monitor requires a minimum of 256MB (0.3GB) 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 Preview Monitor on an RTX 3060, RTX 4070, or RTX 4090?

✅ RTX 3060 (12GB): Yes, fully compatible with 10.6GB headroom. ✅ RTX 4070 (12GB): Yes, fully compatible with 10.6GB headroom. ✅ RTX 4070 Ti (16GB): Yes, fully compatible with 14.2GB headroom. ✅ RTX 4090 (24GB): Yes, fully compatible with 21.4GB headroom

What Python packages are required for ComfyUI Preview Monitor?

To run ComfyUI Preview Monitor, you need to install: numpy>=1.20.0, pillow>=8.0.0, pygame>=2.0.0, pywebview>=4.0.0 # For hybrid mode (optional), screeninfo>=0.8.0 # For multi-monitor support. You can install these using pip or add them to your requirements.txt file.

How can I reduce VRAM usage when running ComfyUI Preview Monitor?

ComfyUI Preview Monitor 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 Preview Monitor in ComfyUI?

To install ComfyUI Preview Monitor: (1) Navigate to your ComfyUI/custom_nodes directory, (2) Clone the repository: git clone https://github.com/xhh522/ComfyUI-preview-monitor, (3) Install dependencies: pip install -r requirements.txt (if present), (4) Restart ComfyUI. Alternatively, use ComfyUI Manager for one-click installation.