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Questions tagged [5k]

5K resolution is horizontal resolution of about 5,000 pixels. The most common 5K resolution is 5120 × 2880, which has an aspect ratio of 16:9 and is about 14.7 million pixels (just over seven times as many pixels as 1080p Full HD).

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No dual brightness control - 2017 MacBook Pro and dual LG UltraFine 5K Display

TL;DR Both 'dual' controls show in OS for brightness, but they both only ever control one of the two monitors. Basic Summary When I plug in dual thunderbolt displays, everything appears okay until ...
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How to go higher DPI by lowering 5k iMac's resolution?

I started using 1440x810 or 1280x720 resolutions on my 5k iMac. I somewhat expected better quality because I thought it would be 2x Retina. It looks like that is not the case. I would like to know.....