The DSC-TX200V/V supports a maximum video resolution of 1920 x 1080 pixels. That's over six times the video resolution of the most common video resolutions of 640 x 480 pixels (which is also supported by this camera). In addition, this Sony digital camera support a video resolutions of 1280 x 720 pixels and 1440 x 1080 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 camera's video resolution (1920 x 1080 pixels) is actually the best supported video resolution across all compact cameras that were released around the same time as the DSC-TX200V/V.
Across comparable types of camera the worst supported video resolution is 320 x 240 pixels.