The highest video resolution supported by the Olympus SZ-31 is 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 cameras that are a comparable age to the SZ-31. 640 x 480 pixels is also supported by this camera. In addition, this Olympus camera support a video resolution of 320 x 240 pixels and 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 cameras of a similar type and age to the SZ-31.
Amongst comparable types of digital camera the worst supported video resolution is 320 x 240 pixels.