When comparing Dell UltraSharp U2715H vs Dell S2718D, the Slant community recommends Dell UltraSharp U2715H for most people. In the question“What are the best monitors?” Dell UltraSharp U2715H is ranked 19th while Dell S2718D is ranked 114th. The most important reason people chose Dell UltraSharp U2715H is:
As expected from an IPS panel, viewing angles are great. Horizontal adjustments don't change the colors much at all. When tilting in the vertical axis, the image can darken slightly.
Specs
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Pros
Pro Great viewing angles
As expected from an IPS panel, viewing angles are great. Horizontal adjustments don't change the colors much at all. When tilting in the vertical axis, the image can darken slightly.
Pro Lots of ports
With 5 USB 3.0 ports (one of which can act as a charger), 2 HDMI ports (with MHL), a DisplayPort and Mini DisplayPort, as well as a DisplayPort out port for daisy chaining multiple screens
Pro Fully adjustable
It has tilt, swivel, height adjust and can be pivoted 90 degrees in both directions.
Pro Great for multi-monitor setups
The thin plastic bezel (1mm) and small 6mm screen boarder makes this a great screen to put side by side with another to minimise the deadspace between dual monitor setups. Also, an extra DisplayPort out means daisy chaining is possible.
Pro Fantastic screen quality
Dell calibrates the U2715H's screen in the factory to very precise measurements, and each monitor will have their own unique calibration report.
Pro Can charge a laptop
You can connect the S2718D to a USB-C compatible laptop and charge it.
Pro Works well in bright room
The Dell S2718D is an excellent option for those who are looking for a monitor for reasonably well-lit, office-like environment because of the excellent overall picture quality this monitor can achieve when placed in a bright room. The S2718D can display crisp and lifelike colors thanks to its IPS panel that offers fair peak brightness and the high resolution of 2540x1440 pixels.
Cons
Con Buttons can be unresponsive
The captive buttons on the right side of the bottom bezel don't light up at all, and can be unresponsive when you first try to activate them.
Con Poor panel uniformity
While this will vary unit to unit, TFT Central found that the luminance uniformity on their unit was poor. The right side of the screen was up to 30% brighter than the left corners of the screen. It wasn't obvious at first glance, however for color-accurate work it could become an issue.
Con Needs to be calibrated
You'll need to spend some time calibrating the S2718D because the monitor's out of the box color inaccuracy is very high - it measures at the dE of 5.46, which means that the color inaccuracies will appear perceivable by a human eye.
