When comparing Dell P2415Q vs Dell U3818DW, the Slant community recommends Dell P2415Q for most people. In the question“What are the best monitors?” Dell P2415Q is ranked 1st while Dell U3818DW is ranked 75th. 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 a curve
You might experience the effect of immersion while working with the U3818DW thanks to its massive size and curvature which, combined, make up that feeling of extra immersion.
Pro Good for multitasking
This option is ideal for the fans of multi-tasking since its massive, 38-inch 3840x1600 pixel panel can seamlessly fit three Word documents stacked side by side. That's a lot of space for a single monitor.
Pro Excellent picture quality in well-lit enviromnent
Placed in a bright room, the Dell U3818DW offers exceptional overall picture quality thanks to its ability to reproduce accurate and vivid colors as well as some reasonably inky shadows. Colors look crisp and lifelike because of the monitor's high-quality IPS panel that genuinely bright without losing the color accuracy.
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 action gaming
The Dell U3818DW is not the best pick for action gaming because of its low responsiveness. The action gaming feels laggy because of the monitor's high input lag and low native refresh rate.