The DSC-RX1R supports a maximum video resolution of 1920 x 1080 pixels. That's over two times the video resolution of a 1280 x 720 pixels digital camera, which is the most common video resolution supported by digital cameras of this type and age. In addition, this Sony digital camera support a video resolutions of 640 x 480 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 compact cameras that are a similar age to the DSC-RX1R.
The worst supported video resolution across similar types of digital camera is 320 x 240 pixels.