The highest video resolution supported by the Sony DSC-RX1R 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 frequently found video resolution supported by compact camera digital cameras that have been around for around the same time as the DSC-RX1R. 640 x 480 pixels is also supported by this camera. In addition, this Sony camera supports a video resolution of 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 camera's video resolution (1920 x 1080 pixels) is actually the best supported video resolution across all compact camera digital cameras that were released around the same time as the DSC-RX1R.
The worst supported video resolution amongst similar types of camera is 320 x 240 pixels.