The Nikon Coolpix S9100 supports a maximum video resolution of 1920 x 1080 pixels. That's over six times the video resolution of a 640 x 480 pixels camera, which is the most common video resolution supported by cameras of a comparable type and age to the Coolpix S9100. 640 x 480 pixels is also supported by this digital camera. In addition, this Nikon digital camera supports a video resolution of 1280 x 720 pixels. A video resolution of 1920 x 1080 pixels is equivalent to Full HD video. You will require a Full HD TV or better to appreciate this level of detail.
A 1920 x 1080 pixels video resolution is actually the best supported video resolution amongst all cameras of this age and spec.
A 320 x 240 pixels video resolution is the worst supported video resolution across similar types of camera.