The highest video resolution supported by the DSC-HX30V is 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 compact cameras that were released around the same time as the DSC-HX30V. 640 x 480 pixels is also supported by this Sony digital camera. In addition, this 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 digital camera's video resolution (1920 x 1080 pixels) is in fact the best supported video resolution amongst all similar spec digital cameras that were released more than two years ago.
The worst supported video resolution amongst comparable types of digital camera is 320 x 240 pixels.