One price level higher, the 27-inch Dell U27230E offers robust processing, is height-adjustable and can be tilted and rotated into portrait format. It has a KVM switch, a picture-in-picture (PiP) function and allows a second monitor to be easily connected via USB-C or DisplayPort...

Thanks to the crisp 4K resolution and good factory calibration, the Dell U2723QE is suitable for photo editing and video editing right out of the box. With its extensive ergonomic options and numerous connections, the Dell is the best 27-inch monitor for the office in the test field. If you like, you can connect another 4K monitor to the Dell's DisplayPort.

Thanks to the crisp 4K resolution and good factory calibration, the Dell U2723QE is suitable for photo editing and video editing right out of the box. With its extensive ergonomic options and numerous connections, the monitor is a serious alternative to Apple's Studio Display, which costs three times as much.

The similar product designation for monitors should not lead one to expect similar product features. Even the supposedly identical mechanics are of different quality, the more expensive model has a much better panel and uses the modern USB-C interface. On the other hand, Dell gives the cheaper C model a built-in webcam and microphone as a very practical extra...