The highest video resolution supported by the DSC-WX50 is 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 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 across all comparable spec digital cameras that are a similar age to the DSC-WX50.
Across comparable types of digital camera the worst supported video resolution is 320 x 240 pixels.