What happens internally in a monitor when the screen resolution changes?

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I’ve been really curious about this.

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Anonymous 0 Comments

Your monitor has a fixed number of lights to represent pixels, if it is 4k capable, then it has enough lights to represent 8.3 million pixels. When you swap it to a lower resolution, it’s still displaying through 8.3 million lights. 1080p has 1/4th the number of pixels as 4k, so what happens when you use 1080p resolution with a 4k monitor is that instead of 1:1, it becomes 4:1. So, for each 1080p pixel of an image being displayed, 4 lights of the monitor will be used to display it instead.

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