It&#x27;s by far the slowest compared to Sublime Text 3 and Visual Studio Code. VSCode and Atom obviously suffer from being Electron based compared to ST3, so the comparison there isn&#x27;t exactly fair, but VSCode is noticeably faster to load and snappier to work with even loaded up with third party plugins. I have a similar amount of plugins for each of the three (10-15) too, so no real difference there.<p>And honestly I don&#x27;t see a marked difference in visuals between those three. After installing my zenburn colour scheme they&#x27;re virtually identical with similar if not identical UI features.<p>I don&#x27;t expect the Electron based editors to match ST3 for performance (at least not yet), but honestly it&#x27;s kind of embarrassing how slow Atom is compared to VSCode, particularly when it comes to things like checking for package updates and just <i>starting up</i>.<p>This is all based on using all three editors within the last three months (I&#x27;ve been swapping around trying to find what I like).