Vivo X100 sports a 6.78-inch FHD+ AMOLED display with 3,000 nits peak brightness, 100 percent DCI-P3 colour gamut, and 120Hz refresh rate. Since it is an LTPO panel, the refresh rate can dynamically adjust on what's on the screen, thus, saving some battery. A perfect phone for camera lovers, and you can click perfect portrait shots.