What is Pixel Density?
Pixel density refers to the amount of pixels per inch (PPI) that a screen can display. It's also used in the sense of digital images, when a single image has multiple versions (multiple files) at different resolutions designed to be displayed at different pixel densities.
Screens with high pixel densities are sometimes called "Hi-DPI," or, in Apple's marketing terms, "retina displays."
- See DPI (dots per inch) for more information..
[...] monitors have their own terms. The most commonly used term is Pixel Density, but you will also see PPI used with monitors (or even PPCM - Pixels Per Centimetre). Again, it's a measure of how many dots (full pixels) there are per inch [...]
https://imagescience.com.au/knowledge/the-difference-between-ppi-and-dpi (accessed 2024-07-21)
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