The Samsung DeX feature allows the flagship Samsung Galaxy smartphone to transform into a powerful desktop computer, providing high mobile performance, support for true 4K resolution, and seamless multitasking.
One of the compelling arguments for choosing a Samsung flagship smartphone over an iPhone is precisely Samsung DeX—a feature that easily transforms a compact device into a full desktop PC.
Although Samsung is not the only manufacturer of Android offering a desktop mode, its implementation is considered the best in the industry. All devices in the Samsung Galaxy S series, starting from S21 up to the latest S26 generation, fully support DeX.
In today's rapidly changing workspace, maintaining mobility without sacrificing efficiency is the highest priority, and this is where DeX demonstrates its strengths. Connecting to an external monitor is simple, but the real advantage lies in the software itself.
First introduced in 2017, DeX has been continuously improved by Samsung to enhance the user experience. Today, it natively supports 1440p resolution, and with minor configuration in the Samsung Good Lock app, it can be outputted to true 4K.
Essentially, DeX functions as an independent desktop interface parallel to the main Android operating system. This means your smartphone can operate as an auxiliary display simultaneously, allowing the mouse cursor and keyboard input to move smoothly between both screens.
DeX also supports familiar key combinations expected from a traditional desktop OS, including intuitive window snapping and customizable trackpad gestures. In comparison, iPadOS only began implementing full desktop-style window management relatively recently.
Window snapping is an indispensable tool for serious multitasking, something anyone accustomed to a modern desktop operating system will agree with.
Another key advantage distinguishing DeX from competing desktop modes is its ability to function when the phone's display is completely turned off. This not only significantly extends battery life during long sessions but also prevents screen burn-in.
Ultimately, the ability to carry a fully functional desktop PC in your pocket makes Samsung DeX a unique advantage for boosting mobile productivity.