1. Customization: Atom provides extensive customization options through its packages and themes, allowing users to personalize their workflow to a great extent. Sublime Text also offers customization but might require more effort to achieve the same level as Atom. Vim, on the other hand, has a steep learning curve for customization due to its modal editing system.
2. Vim Compatibility: Vim commands and plugins can often be used in Sublime Text through plugins, making it a popular choice for Vim users transitioning to a more modern editor. Atom, while providing Vim keybindings through plugins, may not offer the same seamless integration for hardcore Vim users.
3. Resource Usage: Sublime Text is known for its lightweight nature and efficient performance, making it an ideal choice for users with lower-end devices. Atom, on the other hand, can be resource-heavy due to its Electron framework, impacting performance on slower machines. Vim is extremely lightweight and runs efficiently even on older hardware.
4. Package Ecosystem: Atom boasts a vast ecosystem of plugins and themes through its package manager, allowing users to enhance their editing experience with a variety of community-contributed extensions. Sublime Text also has a wide range of plugins available but may not offer the same level of integration and ease of installation as Atom. Vim's plugin ecosystem is robust and extensive, with a focus on productivity and efficiency in text editing tasks.
5. User Interface: Atom comes with a modern and visually appealing user interface, making it attractive to users who value aesthetics in their coding environment. Sublime Text offers a clean and minimalist interface, focusing more on functionality rather than visual flair. Vim has a text-based interface that may not appeal to users accustomed to graphical editors but provides unmatched speed and efficiency in text manipulation.
6. Learning Curve: Atom provides a user-friendly interface with intuitive features, making it relatively easy for beginners to start using. Sublime Text offers a similar learning curve with a straightforward setup and familiar user interface. Vim, however, has a steep learning curve due to its unique modal editing system, requiring dedication and practice to master efficiently.

In Summary, Atom, Sublime Text, and Vim each have distinct advantages in terms of customization, compatibility with Vim, resource usage, package ecosystem, user interface, and learning curve, catering to different preferences and needs of users.