The highest video resolution supported by the Samsung EK-GC100 is 1920 x 1080 pixels. That's over six times the video resolution of the most frequently found video resolutions of 640 x 480 pixels. This camera also supports a video resolutions 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 resolutions is in fact the best supported video resolution amongst all comparable spec digital cameras that came out around the same time as the EK-GC100.
A 320 x 240 pixels video resolutions is the worst supported video resolution amongst similar types of camera.