The highest video resolution supported by the IXUS 275 HS is 1920 x 1080 pixels. That's over two times the video resolution of a 1280 x 720 pixels camera, which is the most common video resolution supported by cameras of this age and type. 1280 x 720 pixels is also supported by this camera. In addition, this Canon camera supports a video resolution of 640 x 480 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 have been on the market for around the same time as the IXUS 275 HS.
Across comparable types of camera the worst supported video resolution is 640 x 480 pixels.