ComfyUI-Sa2VA-XJ

By alexjxView on GitHub →

Simple implementation of [a/ByteDance Sa2VA](https://github.com/bytedance/Sa2VA) nodes for ComfyUI.

How much VRAM does ComfyUI-Sa2VA-XJ require?

Direct Answer: The ComfyUI node ComfyUI-Sa2VA-XJ 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

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What Python packages are required for ComfyUI-Sa2VA-XJ?

Direct Answer: Running ComfyUI-Sa2VA-XJ requires installing the following Python package dependencies: numpy, pillow, qwen_vl_utils, torch>=2.0.0, transformers>=4.57.0. This node specifically requires PyTorch version 2.0.0 or newer.

requirements.txt
numpy
pillow
qwen_vl_utils
torch>=2.0.0
transformers>=4.57.0

Interactive Setup & Dependency Resolver

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

Special Environment Requirements:

Requires PyTorch version 2.0.0+.

To update PyTorch for your selected setup, run:
# Loading PyTorch command...

Related Custom Nodes

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

ComfyUI DP Dynamic Random Styler
by DesertPixelAi256MB VRAM
ComfyUI DreamOmni2 Node
by HM-RunningHub128MB VRAM
ComfyUI Gemini Nodes
by jqy-yo4.0GB VRAM
ComfyUI Google AI Studio Integration
by joyboy1234564.0GB VRAM
ComfyUI IC-Custom Node
by HM-RunningHub128MB VRAM

Frequently Asked Questions

How much VRAM does ComfyUI-Sa2VA-XJ require?

ComfyUI-Sa2VA-XJ 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-Sa2VA-XJ 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 PyTorch version does ComfyUI-Sa2VA-XJ need?

ComfyUI-Sa2VA-XJ requires the following PyTorch-related packages: torch>=2.0.0. Ensure your ComfyUI environment has these installed. Ensure your PyTorch installation matches your CUDA version (use torch.version.cuda to check).

What Python packages are required for ComfyUI-Sa2VA-XJ?

To run ComfyUI-Sa2VA-XJ, you need to install: numpy, pillow, qwen_vl_utils, torch>=2.0.0, transformers>=4.57.0. You can install these using pip or add them to your requirements.txt file.

How can I reduce VRAM usage when running ComfyUI-Sa2VA-XJ?

ComfyUI-Sa2VA-XJ 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-Sa2VA-XJ in ComfyUI?

To install ComfyUI-Sa2VA-XJ: (1) Navigate to your ComfyUI/custom_nodes directory, (2) Clone the repository: git clone https://github.com/alexjx/ComfyUI-Sa2VA-XJ, (3) Install dependencies: pip install -r requirements.txt (if present), (4) Restart ComfyUI. Alternatively, use ComfyUI Manager for one-click installation.