The highest video resolution supported by the Lumix DMC-ZS25 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 common video resolution supported by compact cameras that have been around for a similar time to the Lumix DMC-ZS25. 640 x 480 pixels is also supported by this Panasonic camera. In addition, this Panasonic digital 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.
A 1920 x 1080 pixels video resolutions is in fact the best supported video resolution across all comparable spec cameras that were released more than two years ago.
Across comparable types of digital camera the worst supported video resolution is 320 x 240 pixels.