The EX-ZR20 supports a maximum video resolution of 1920 x 1080 pixels. That's over six times the video resolution of a 640 x 480 pixels digital camera, which is the most frequently found video resolution supported by medium megapixel digital cameras that are a comparable age to this digital camera. 640 x 480 pixels is also supported by this Casio camera. In addition, this camera 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.
This digital camera's video resolution (1920 x 1080 pixels) is in fact the best supported video resolution amongst all comparable spec cameras that have been on the market for a similar time to this camera.
Amongst similar types of digital camera the worst supported video resolution is 320 x 120 pixels.