comfyui-mpc-heartmula on 4GB GPU

MPC2026 audioimage_generation 1536MB VRAM

Compatible with 4GB GPU

This node will run on RTX 3050, GTX 1650 and similar GPUs with 4GB VRAM.

Optimized Settings for 4GB

VRAM Utilization

38%

You're using 38% of your 4GB VRAM, leaving 2.5GB headroom.

Recommended Batch Size

2

Start with batch size of 2 for optimal performance.

Suggested Resolution

768x768 to 1024x1024

Best balance of quality and performance for 4GB.

Performance Tips

  • Close other GPU-intensive applications
  • Low VRAM mode available
  • Monitor GPU usage with nvidia-smi

🚀 Deploy ComfyUI on Vast.ai

Need low-cost, high-performance cloud GPUs to run ComfyUI and this custom node? Rent instantly on Vast.ai starting at pennies per hour.

Deploy on Vast.ai

🚀 Deploy ComfyUI on RunPod

Need high-performance cloud GPUs to run ComfyUI and this custom node? Rent instantly on RunPod starting at just a few cents per hour.

Deploy on RunPod

VRAM Requirements

Base VRAM Requirement:
1536MB (1.50GB)
Your GPU (4GB):
4096MB (4GB) - RTX 3050, GTX 1650
VRAM Utilization:
38%
Available Headroom:
2.50GB
Low VRAM Mode:
✓ Supported
Estimation Confidence:
MEDIUM

Python Dependencies

  • accelerate>=1.13,<2.0
  • certifi>=2025.1.31
  • einops>=0.8.1,<0.9
  • huggingface_hub>=1.3,<2.0
  • numpy>=2.0,<3.0
  • soundfile>=0.12
  • tokenizers>=0.22,<0.23
  • torchao>=0.16,<1.0
  • torchtune>=0.6,<0.7
  • tqdm>=4.67,<5.0

+ 2 more dependencies

View for Different GPU