Whatever the size of the screen, as long as the pixel measurement remains at this measurement, it is an HD screen.Īs you can probably see, the smaller the HD screen, the higher the pixel density and, in theory, the better the image.
HD simply means a pixel measurement of 1280 x 720 pixels. You may also want to pay attention to the "nits" indicated, which are an assessment of the brightness for the screens. We have the main basics covered below, but we will start with an HD definition or higher, as this is what most smartphones currently offer. You can easily calculate the dpi of your phone using a pixel density calculator. If you know the size of the screen, you can calculate the number of pixels compressed in a square inch: this is the number of pixels per inch (dpi), called pixel density. The size of the screen (in inches), the number of pixels (the amount of information it can display) and the density of these pixels are grouped into this "definition" category (pixel per inch). As an indication, the larger the numbers, the better the result. Screen definition is an important factor to consider when talking about smartphone screens.
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