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...
Dell C2723H
1920 x 1080 pixels, 27"Product details
Speakers are already integrated into this monitor. This means you don't need external speakers, saving space on your desk. The stand of this monitor allows for very flexible adjustment options: you can adjust the height, tilt it up and down, swivel it left or right, or rotate it 90° into portrait mode (pivot). The perfect monitor orientation for any seating position or task is just a hand's reach away. This monitor features an IPS panel (In-Plane Switching). The IPS technology combines two major advantages. Firstly, it provides a very wide viewing angle, allowing multiple viewers to easily see the content at the same time. Secondly, IPS technology ensures high color fidelity. This makes the monitor suitable for color-sensitive applications such as photo editing.
Save yourself from uncomfortable contortions: this monitor has a built-in USB hub. This means that suitable connection options for your peripherals and storage devices are just a hand's reach away. With this monitor, you are doing your eyes a favor. The Flicker-Free technology prevents annoying screen flickering, which can be tiring for the eyes over time. Not only uncomfortable but even harmful is short-wavelength blue light, which has a similar effect on the retina as UV radiation. This monitor features ComfortView technology, which filters out this light component.