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Last updated
2026-04-01

This repository introduces a TensorRT-based tool designed for rapid image upscaling within the ComfyUI framework, achieving speeds that are 2 to 4 times faster than traditional methods. It leverages NVIDIA's TensorRT technology to enhance the performance of various upscaling models, making it a valuable resource for users seeking efficiency in image processing.

  • Utilizes TensorRT to significantly accelerate image upscaling processes.
  • Supports a variety of upscaling models, including 4x-UltraSharp and RealESRGAN_x4.
  • Capable of handling dynamic image resolutions ranging from 256x256 to 1280x1280 pixels.

Context

The ComfyUI Upscaler TensorRT is an extension for the ComfyUI platform that integrates TensorRT to optimize image upscaling tasks. Its primary purpose is to improve the speed and efficiency of image enhancement workflows, which is particularly beneficial for users who require high-quality outputs in a shorter timeframe.

Key Features & Benefits

This tool stands out due to its implementation of TensorRT, which allows for significant performance improvements in image upscaling. Users can expect faster processing times while maintaining high-quality results, making it ideal for applications in digital art, gaming, and any scenario where image fidelity is crucial.

Advanced Functionalities

The tool supports a range of advanced upscaling models and can dynamically adjust to various input resolutions. Additionally, it allows users to export custom ESRGAN models to be used within the ComfyUI framework, providing flexibility for those who wish to tailor their upscaling processes to specific needs.

Practical Benefits

By integrating this tool into their workflows, users can achieve higher control over image quality and processing speed, ultimately enhancing overall productivity. The ability to work with multiple models and resolutions further streamlines the user experience, reducing the time spent on image enhancement tasks.

Credits/Acknowledgments

This project is developed by contributors in the ComfyUI community, with special thanks to NVIDIA for their TensorRT technology and the original authors of the various upscaling models. The project is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International license.

Inner Nodes

LoadUpscalerTensorrtModel
UpscalerTensorrt