What Is 4K Resolution On My UHD Monitor?
4K Resolution UHD Monitor
4K resolution or Ultra High Definition (UHD) is twice the horizontal and vertical resolution of Full HD 1080p (1920 x 1080) format. The 4K UHD resolution is 3840 x 2160.
The refresh rate depends on the connection to the UHD monitor:
Display Port (DP) - 3840 x 2160 @ 60 Hz
HDMI - 3840 x 2160 @ 30 Hz
The max resolution supported by your PC graphics card determines the max resolution displayed on the UHD monitor.