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HDR

HDR - overview - Large

HDR - An Easy Explanation

Before we start describing the differences between the types of High Dynamic Range (HDR), we need to briefly understand how an LED monitor works:
1.      LEDs are used to provide the light for the image. It is how these are implemented that affect whether the monitor is HDR Ready, HDR Xpert or HDR Ultra.
2.      The light goes through diffusers before it hits the LCD panel on which the image is displayed.

What is HDR? Showing whiter whites and blacker blacks, and the full range of colours in between, HDR gives monitors more lifelike images.

What is HDR? - Large

Acer offers three distinct levels of HDR monitors: HDR Ready, HDR Xpert and HDR Ultra. Each provides varying levels of excellence for displaying HDR content.

HDR UltraHDR Ultra Illustration
HDR XpertHDR Xpert Illustration
HDR ReadyHDR Ready Illustration
HDR 10 Support
Yes
Yes
Yes
Array Type
Array
Edge
Edge
Dimming
Local
Local
Global
Dynamic Control Backlight
Yes
Yes
No
Contrast
Best
Better
Good
Who Benefits
Serious gamers, professional photographers, graphic designers and video editors.
Video editors and avid video watchers.
Entry level gamers and occasional movie watchers.
Glossary

Edge: A row of LEDs either along the base or the side.

Array: A full “panel” of LEDs.

Zone: In an array it’s a minimum square of LEDs, in a strip it’s adjacent LEDs.

Dynamic Control Backlight: Each zone’s light is controlled separately.

Dimming:
Global — The whole LED strip dims.
Local — Specific parts of the LED strip or panel can be dimmed.

The image below shows the difference between a non-HDR image and an HDR image. Watch this video for more details.

SDR vs HDR - Large