When comparing Dell UltraSharp U2715H vs ASUS PB279Q, 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 ASUS PB279Q is ranked 31st. 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 Thin bezels
The top and side bezels are about 13mm thin with the bottom bezel being slightly thicker at 18mm.
Pro Reasonably good luminance uniformity
The screen also has good luminance uniformity, providing a evenly lit picture. At the dimmest point, the deviation is 12% from the brightest point (141.4 cd/m² to 160.4 cd/m²).
Pro Low input lag
Complete input lag time (signal delay and pixel response time) is 7.4ms or under ½ of a frame.
Pro Easily adjustable
The monitor tilts (5° forward, 20° backward), swivels (60° to both the left and right), pivots (90° clockwise, allowing it to be used in portrait mode) and allows adjusting height between 43mm (1.69") to 410mm (16.14").
Pro Good contrast and brightness
According to tests performed by PC Monitors, PB279Q set to factory defaults (90% brightness, "Splendid" preset) produces luminance in the range of 0.24 - 282 cd/m² with a contrast of 1175. It provides both lots of brightness and reasonably dark blacks.
Pro Good color accuracy
The monitor covers all of sRGB space and represents the colors accurately.
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 A maximum refresh rate of 60Hz can be a concern for some
A 60Hz monitor, while sufficient for most people in most cases, can still cause issues with fast-moving objects on screen. It's especially important with things like gaming where the ability to react to events happening on the screen quickly is important.
Con Minor color temperature uniformity issues
According to Spyder4Elite tests performed by PC Monitor, PB279Q has color temperature issues that can be seen with the naked eye. A DeltaE deviation of over 3 can be easily noticed and the left side of the monitor deviates between 2.4 and 3.1.
Con AHVA glow
AHVA glow is the light on the sides or corners of the screen that can reduce some of the peripheral detail.
Con HDMI connections are limited to 30Hz
DisplayPort 1.2 (or MiniDP 1.2) is needed to run at 60Hz.
