Asus ROG Swift PG279Q 27" vs BenQ XL2420T

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

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.

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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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Horizontal viewing angle is the maximum angle at which a display can be viewed with acceptable visual performance.

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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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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.

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

With more USB ports, you are able to connect more devices.

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The device can connect to WiFi.

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.