The Stylus Tough TG-630 supports a maximum video resolution of 1920 x 1080 pixels. That's over two times the video resolution of the most common video resolutions of 1280 x 720 pixels (which is also supported by this camera). 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 amongst all cameras of a similar age and type to the Stylus Tough TG-630.
Amongst comparable types of camera the worst supported video resolution is 320 x 240 pixels.