What is resolution?
Resolution describes the number of pixels on your display, measured in width times height. More pixels means sharper images and more screen real estate for windows and content.
Common resolutions
720p (1280x720): Budget phones and small screens. Acceptable below 6 inches.
1080p (1920x1080): The standard for most monitors and laptops. Sharp enough up to about 24 inches.
1440p (2560x1440): The sweet spot for 27-inch monitors. Noticeably sharper than 1080p with more desktop space.
4K (3840x2160): Premium tier. Best for 27 inch and larger monitors, content creation, and photo editing.
8K (7680x4320): Currently overkill for most uses. The difference from 4K is only visible on very large screens above 50 inches or at very close viewing distances.
Does higher resolution always look better?
Not necessarily. What matters is pixel density (PPI, pixels per inch). A 24-inch 1080p monitor and a 6-inch 720p phone have comparable PPI. Both look sharp at their intended viewing distance.
Use our Screen Info tool to see your exact resolution and calculated pixel density.
Performance considerations
Higher resolution requires more GPU power. Doubling the resolution roughly quadruples the pixel count. For gaming, this directly impacts frame rates. A GPU that runs a game at 120fps at 1080p might only manage 40fps at 4K.
For productivity, higher resolution gives you more desktop space. A 4K 27-inch monitor at 100% scaling fits roughly four times the content of a full HD monitor at the same size.
Scaling
Modern operating systems use display scaling to keep text and UI elements readable on high-resolution screens. A 4K monitor at 200% scaling shows the same amount of content as a 1080p monitor, but everything looks much sharper because there are four times as many pixels rendering each element.