HotHardware published Integer Scaling Explored: Sharper Pixels For Retro And Modern Games
A quote from the article:
At GamesCom, both Nvidia and Intel separately introduced updated drivers that could scale resolutions on the GPU using integer scaling. Integer scaling sounds pretty self-explanatory, and it is: the selected resolution is multiplied by whole numbers to fit the screen. For example, a monitor with a resolution of 2560x1440 can be filled with a 1280x720 image by doubling the height and width of the pixels. It looks kind of blocky to use as a Windows desktop resolution, but for the right kind of game, like retro or retro-inspired titles, it gives a razor-sharp edges to the pixels that make up the image on your monitor...Integer Scaling Explored: Sharper Pixels For Retro And Modern Games