With true 1920 x 1080p resolution the monitor is ready to display high definition images. This means it can accommodate more information on the screen; e.g. 60% more in comparison to a 1280 x 1024 monitor Contrast Ratio is a measurement of the difference between the darkest black & the brightest white a monitor can display. Advanced Contrast Ratio is a feature that automatically adjusts contrast & brightness of the screen to assure perfect picture quality while watching films & playing games. HDMI stands for High-Definition Multimedia Interface. Much smaller & more convenient than DVI HDMI also has the significant advantage over DVI that it supports audio as well as video signals.