When comparing Dell Alienware AW2518H 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 Dell Alienware AW2518H is ranked 129th. 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 Lightning-fast
The Alienware AW2518H is one of a few monitors that manage to combine a lightning-fast 240 Hz panel, with the sub-five-millisecond input lag, which makes it one of the most responsive monitors available on the market.
It offers lag-free gaming experience, as its input lag that is measured at only 4.75 milliseconds, is too small to be perceived, even by highly skilled, professional gamers.
Additionally, the AW2518H offers flawless motion control, which ensures that no trails of motion blur or ghosting are visible. This is achieved by combining a lightning-fast one millisecond full pixel response time, with the 240 Hz panel, which also supports the ULMB feature.
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 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.