When comparing LG 27UD68-W vs Dell P2415Q, the Slant community recommends Dell P2415Q for most people. In the question“What are the best monitors?” Dell P2415Q is ranked 1st while LG 27UD68-W is ranked 27th. The most important reason people chose Dell P2415Q is:
Complete input lag time (signal delay and pixel response time) is 11.85ms or ¾ of a frame.
Specs
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Pros
Pro Works well in bright rooms
The 27UD68-W offers decent performance in bright environments, where it can get vivid enough to fight glare. The monitor can sustain the brightness of around 310 nits which means that the light coming from doors and windows will not be able to overpower the light that the panel emits.
Pro Doesn't look cloudy
Unlike some other IPS monitors, the LG 27UD68-W doesn't suffer from the dirty screen effect that is usually caused by a panel's poor overall uniformity. Large objects and panning shots look uniform on the screen. The panel's overall uniformity measures at 3.11% dE - a solid result for a monitor in this price bracket.
Pro Reasonably small input lag
Complete input lag time (signal delay and pixel response time) is 11.85ms or ¾ of a frame.
Pro Comes excellently calibrated
Pro Good color temperature uniformity
According to Spyder4Elite tests performed by PC Monitor, P2415Q has good color temperature uniformity. A DeltaE deviation of over 3 can be easily noticed by most people and the highest deviation recorded is 2.5. It's worth noting that the monitor has an uniformity compensation setting that in the same test proved to make things worse with a maximum deviation of 2.9.
Pro Impressive contrast
According to tests performed by PC Monitors, P2415Q set to factory defaults (75% brightness, Standard preset) produces luminance in the range of 0.21 - 237 cd/m² with a contrast ratio of 1129. It provides good brightness and dark blacks. It is also capable of going up to 0.30 - 331 cd/m² with a contrast ratio of 1182 at 100% brightness.
Cons
Con Doesn't support HDR
You can't run HDR content on this monitor.
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 IPS glow
IPS glow is the light on the sides or corners of the screen that can reduce some of the peripheral detail.