The resolution of a raster file is referred to in DPI (dots per inch) or PPI (pixels per inch). If you zoom in or expand the size of a raster image, you start to see the individual pixels. One of the main differences between raster and vector files is their resolution. They represent images in very different ways, so there’s a lot to consider when deciding which one to use. Some of the main differences between raster and vector include: Raster and vector files are the two most popular formats used for visual content. What is the difference between raster and vector files? Vector files use mathematical equations, lines and curves with fixed points on a grid to produce an image. There are no pixels in a vector file. A vector file’s mathematical formulas capture shape, border, and fill colour to build an image. Because the mathematical formula recalibrates to any size, you can scale a vector image up or down without affecting its quality.
Raster files are images built from pixels - tiny colour squares that, in great quantity, can form highly detailed images such as photographs. The more pixels an image has, the higher quality it will be, and vice versa. The number of pixels in an image depends on the file type (for example, JPEG, GIF, or PNG).
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