Forge UI - 75% faster than Automatic 1111

Olivio Sarikas
13 Feb 202407:35

TLDRDiscover Forge UI, a stable diffusion tool promising up to 75% faster performance than Automatic 1111. The video demonstrates a one-click installation process, with specific speed improvements for various GPU capabilities. It guides viewers through installation, configuration, and highlights advanced features like control net integration and mask creation for image editing. The summary emphasizes the ease of use and the inclusion of numerous features that enhance the user experience, all while maintaining the same render quality as Automatic 1111.


  • ๐Ÿ”ง Forge UI is a user interface for stable diffusion that promises to be faster than Automatic 1111.
  • ๐Ÿš€ With common GPUs of 8 GB VRAM, users can expect a 30-45% speed increase, while less powerful GPUs with 6 GB VRAM can see a 60-75% speed boost.
  • ๐Ÿ’ป For users with high-end graphics cards, like a 490 with 24 GB VRAM, the speed increase is minimal, around 3-6%.
  • ๐Ÿ“ˆ The script demonstrates a personal experience with a 3080 GPU, where Forge UI is 1 second faster than Automatic 1111.
  • ๐Ÿ’พ Installation of Forge UI is straightforward, with a one-click package available for Windows that includes git and python.
  • ๐Ÿ“ After downloading, users should extract the file into a folder and place it in their documents for easy access.
  • ๐Ÿ› ๏ธ The installation process involves running 'update.bat' followed by 'Run.bat' to complete the setup.
  • ๐Ÿ–Œ๏ธ Forge UI includes advanced features like control nets, dynamic thresholding, and style alignment, which are not available in Automatic 1111.
  • ๐ŸŽจ A unique feature of Forge UI is the ability to create masks and apply different control nets to different areas of an image.
  • ๐Ÿ“š Some models, like control net models, need to be downloaded separately as they are not included in the installation file.
  • ๐Ÿ“Š The script provides a comparison between Automatic 1111 and Forge UI, highlighting that the render quality and prompting are the same, with the main difference being speed.

Q & A

  • What is Forge UI and how does it compare to Automatic 1111 in terms of speed?

    -Forge UI is a user interface for stable diffusion that promises to be faster than Automatic 1111. It claims to offer a speed increase of 30 to 45% for common GPUs with 8 GB VRAM and up to 60 to 75% for less powerful GPUs with 6 GB VRAM. For more powerful GPUs like the 3080, the speed increase is minimal, around 1 to 6%.

  • What are the system requirements for Forge UI to provide a significant speed increase?

    -For a significant speed increase with Forge UI, you would typically need a GPU with at least 6 GB VRAM for 60 to 75% improvement. Common GPUs with 8 GB VRAM can expect a more modest increase of 30 to 45%.

  • How can one install Forge UI on Windows?

    -To install Forge UI on Windows, you can download a one-click package from the GitHub website that includes git and python. After downloading, extract the file into a folder, place it in your documents folder, and follow the instructions to run the 'update.bat' and 'run.bat' files for installation.

  • What is the purpose of the 'update.bat' and 'run.bat' files in the installation process of Forge UI?

    -The 'update.bat' file is used to perform updates to the Forge UI software, ensuring you have the latest version. The 'run.bat' file is used for further installation and downloading necessary components for Forge UI to function properly.

  • How does one customize the Forge UI to use a dark theme?

    -To customize Forge UI to use a dark theme, you need to open the 'web_uiuser.dat' file with a text editor like Notepad++, and use the command line arguments to set the theme to dark by writing '--theme dark'.

  • What is the significance of the 'web_uiuser.dat' file in Forge UI?

    -The 'web_uiuser.dat' file in Forge UI is important for customizing the user interface, such as setting the theme and other preferences. It needs to be edited to activate certain lines of code and to set up paths for additional features like control nets.

  • Why is it necessary to replace the backslashes in the 'web_uiuser.dat' file when copying paths from Windows?

    -The backslashes in the 'web_uiuser.dat' file need to be replaced because the path format in Windows typically uses backslashes from the upper left to the lower right, whereas the file expects the opposite direction, from the lower left to the upper right.

  • What additional features does Forge UI include that are not found in Automatic 1111?

    -Forge UI includes several additional features such as a training tab, SVD tab, Set One 123 tab, and integrations for control nets, dynamic thresholding, Freu hyper, TI Coya hus, fix latent modifier, multi-diffusion, self-attention guidance, and style align.

  • How does Forge UI handle the integration of control nets for image processing?

    -Forge UI allows for the integration of control nets by providing an 'extra path to scan for control net models' in the settings. Users can specify the path to their Automatic 1111 folder where control net models are saved, enabling the use of these models within Forge UI.

  • What unique feature does Forge UI offer that is not available in Automatic 1111?

    -Forge UI offers a unique feature that allows users to create a mask for an image using a brush tool. This feature is not available in Automatic 1111 and enables users to apply different control nets to different areas of an image.

  • How does the rendering quality and prompting process differ between Forge UI and Automatic 1111?

    -According to the script, the rendering quality and prompting process are the same between Forge UI and Automatic 1111. The main difference lies in the speed at which Forge UI operates, which is supposed to be faster.



๐Ÿš€ Quick Start with Forge UI for Stable Diffusion

The video introduces Forge UI, promising faster performance compared to automatic 1111 and ComfyUI. It details the speed improvements based on GPU specifications, with common GPUs seeing up to 75% increase in speed. Installation steps are provided, including downloading a self-contained package from GitHub, extracting it, and running update and setup scripts. It also covers editing the configuration file for optimal settings and ensuring proper path formats.


๐Ÿ–Œ Advanced Features and Comparisons of Forge UI

This section highlights additional features of Forge UI, such as integrated tools like ControlNet, dynamic thresholding, and multi-diffusion self-attention guidance. It explains the necessity of downloading specific models separately and offers tips for better usability, like creating masks and using brushes effectively. The video compares Forge UI with automatic 1111, noting that while functionalities remain the same, Forge UI offers faster performance. The segment ends with an encouragement to try out the new UI and engage with the video content.



๐Ÿ’กStable Diffusion

Stable Diffusion is a type of machine learning model used for generating images from text descriptions. It is a diffusion model, which is a class of generative models that have gained popularity for their ability to create high-quality images. In the video, Stable Diffusion is the underlying technology that the Forge UI is built upon, aiming to provide a faster and more efficient user experience.

๐Ÿ’กForge UI

Forge UI is a user interface designed to work with Stable Diffusion models, offering a more streamlined and potentially faster way to interact with these models compared to other interfaces. The video script introduces Forge UI as a promising alternative to the Automatic 1111 interface, highlighting its speed and ease of installation.

๐Ÿ’กAutomatic 1111

Automatic 1111 is another user interface for Stable Diffusion models, which the Forge UI is being compared against in the video. It is mentioned as a benchmark to demonstrate the potential speed improvements that Forge UI can offer, with the script mentioning that Forge UI can be 'faster than Automatic 1111'.

๐Ÿ’กGPU (Graphics Processing Unit)

A GPU is a specialized electronic circuit designed to rapidly manipulate and alter memory to accelerate the creation of images in a frame buffer intended for output to a display device. In the context of the video, the speed increase provided by Forge UI is related to the GPU's capabilities, with different speed improvements expected based on the GPU's VRAM (Video Random Access Memory).

๐Ÿ’กVRAM (Video Random Access Memory)

VRAM is a type of memory used by a GPU to store image data for the images it creates. The amount of VRAM a GPU has can significantly affect the performance of graphics-intensive applications like Forge UI. The video script indicates that the speed increase with Forge UI is dependent on the amount of VRAM in the user's GPU.

๐Ÿ’กOne-click Install

A one-click install refers to a software installation process that can be initiated with a single click or action, making it simple and quick for users to set up the application. The video describes the installation process for Forge UI, emphasizing its ease of use with a one-click package that includes necessary components like git and python.

๐Ÿ’กBatch File (.bat)

A batch file is a text file in DOS, OS/2 and Windows that contains a series of commands to be executed by the command-line interpreter. In the video, the script mentions '.bat' files as part of the installation process for Forge UI, which are used to automate tasks and updates.

๐Ÿ’กWeb UI

Web UI stands for Web User Interface, which is the graphical interface of a web application that users interact with via a web browser. The video script discusses accessing and configuring the Web UI for Forge UI, which is part of the setup process.


ControlNet is a feature within the Forge UI that allows for more detailed control over the image generation process, such as applying different styles or effects to different areas of an image. The video script mentions ControlNet as one of the many features included with Forge UI, highlighting its utility for advanced image manipulation.


Masking in the context of image editing refers to the process of selecting a portion of an image to apply specific effects or changes. The video script describes a unique feature of Forge UI that allows users to create a mask for their images, which is not available in Automatic 1111, providing an example of how this can be used to apply ControlNets to different areas of an image.


In the context of software and computing, performance refers to how well a system or application operates in terms of speed and efficiency. The video's main theme revolves around the performance improvements offered by Forge UI, with specific examples given such as the reduction in render time compared to Automatic 1111.


Forge UI promises to be 75% faster than Automatic 1111.

Forge UI is a one-click install, almost, with a self-contained package including git and python.

Common GPUs with 8 GB VRAM can expect a speed increase of 30 to 45%.

Less powerful GPUs with 6 GB VRAM can expect a speed increase of 60 to 75%.

High-end graphics cards like the 490 with 24 GB VRAM might see only a 3 to 6% increase.

The user's experience with a 3080 shows a 1-second increase in speed compared to Automatic 1111.

Installation of Forge involves downloading a one-click package and extracting it into a folder.

Running the 'update.bat' is the first step for updates and installations.

The 'Run.bat' file is used for further installations and downloads, which may take a while.

The 'web_uiuser.dat' file needs to be edited to activate certain lines and set up the UI properly.

The root folder of Automatic 1111 needs to be copied over for the setup to work correctly.

ControlNet is integrated into Forge, but the models need to be downloaded separately.

Forge includes features like dynamic thresholding, multi-diffusion, and style alignment out of the box.

Users can create a mask in Forge, a feature not available in Automatic 1111.

The UI of Forge is very similar to Automatic 1111, making it easy for users to transition.

Render quality and prompting are consistent between Automatic 1111 and Forge.

The primary difference between Automatic 1111 and Forge is the speed of operation.

The video provides a comparison of render times between Automatic 1111 and Forge.