Acer XB0 XB240H 24" vs Dell S2817Q 28" vs Dell UltraSharp U2717DA 27" vs Dell UltraSharp UP2716D 27"

Total tilt adjustment is the ability for the monitor head to move up and down. Tilt adjustment enables a user to change the viewing position of the display, creating a more comfortable view of the screen.

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The VESA mount is a standard used by most manufacturers. A device that supports the VESA mount can be mounted on many different supports, from arms to wall mounts.

A swivel stand allows you to adjust the position of the display left or right, so you can position it to the desired angle.

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Response time is how long it takes for a display to change the state of pixels, in order to show new content. The less time it takes to respond, the less likely it is to blur fast-changing images.

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The bigger the screen size is, the better the user experience.

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IPS (In-Plane Switching) is a technology used for LCDs. It was designed to overcome the main limitations of normal TFTs TN-matrices: relatively slow response times, small viewing angles and low quality color reproduction. PLS (Plane to Line Switching) is a type of IPS screen developed by Samsung, which has increased brightness and lower production costs.

The device has a display with three full subpixels per pixel, resulting in a sharp and crisp picture. Pixels in some displays (like AMOLED) share one subpixel to preserve space. This can result in a less crisp, slightly blurred image.

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Luminance is the intensity of light that a device emits.

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Number of colors that a display can accurately reproduce.

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Contrast ratio is the visual distance between the lightest and the darkest colors that may be reproduced on the display. A high contrast ratio is desired, resulting in richer dark colors and more distinctive color gradation.

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An ambient light sensor adjusts the luminance of the device according to the amount of natural light that surrounds it.

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Devices with a HDMI or mini HDMI port can transfer high definition video and audio to a display.

More HDMI ports mean that you can simultaneously connect numerous devices, such as video game consoles and set-top boxes.

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With a standard mini jack socket, you can use the device with most headphones.

Allows you to connect to a display using DisplayPort.

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Devices that have a DVI connector (usually computers and notebooks) can be connected to the TV set.

VGA connector is a widespread connector and is found on many video cards, computer monitors, and some television sets.

How much power the device consumes when it's switched on.

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How much power the device consumes when shut down but still plugged in.

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Devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better experience.

Devices supporting PiP and PaP - Picture in Picture can show two images from different sources at the same time by splitting the viewing window or creating a smaller window inside the bigger image.