When comparing Dell P2415Q vs LG 27UK850-W, the Slant community recommends Dell P2415Q for most people. In the question“What are the best monitors?” Dell P2415Q is ranked 1st while LG 27UK850-W is ranked 90th. 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 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.
Pro Has FreeSync
While gaming, you can eliminate screen tearing and reduce input lag thanks to the FreeSync compatibility of the 27UK850-W. FreeSync allows the monitor to synchronize its refresh rate to match the framerate of an AMD graphics card.
Pro Good picture quality
The overall picture quality of the LG 27UK850-W is better than average, compared to the majority of other monitors in this price bracket. The monitor offers excellent SDR performance and can reproduce good-looking pictures with reasonably bright highlights and inky blacks as well as some accurate colors.
Cons
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.
Con Somewhat too grainy texture surface
Con Bad for HDR content
The LG 27UK850-W will not let you enjoy the full potential of HDR content because of its limited color gamut. The monitor supports only around 3/4 of the DCI-P3 color gamut that is used in HDR content.