ComfyUI Image Compare

By sbcodeView on GitHub →

Compare two images using ComfyUI. Connect images to both image_a and image_b inputs. Press RUN. Then use the slider to compare. Best used when two images are very similar and you want to see the differences very closely. Search for the manager for image compare, or imagecompare.

How much VRAM does ComfyUI Image Compare require?

Direct Answer: The ComfyUI node ComfyUI Image Compare 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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Related Custom Nodes

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

AC ComfyUI Queue Manager
by abdullahceylan256MB VRAM
AIGODLIKE-ComfyUI-Studio
by AIGODLIKE128MB VRAM
AIRedoon
by purpen256MB VRAM
ANIMA_BOOSTER
by BlackSnowSkill128MB VRAM

Frequently Asked Questions

How much VRAM does ComfyUI Image Compare require?

ComfyUI Image Compare 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 Image Compare 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

How can I reduce VRAM usage when running ComfyUI Image Compare?

ComfyUI Image Compare 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 Image Compare in ComfyUI?

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