There is no finest monitor size for a 1920x1080 resolution because it depends on the pixel density and available space. The pixel density is a measure of the amount of physical empty space present between each screen pixel. Generally, the 20-inch to 25-inch monitor sizes are perfect for 1920x1080 resolution. It is important to note that the bigger the screen is, the images would get blurrier. The image blur issues will be found if you go for 1920x1080 resolution in 30+ inches monitors.