The IXUS 265 HS supports a maximum video resolution of 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 digital cameras of a similar age and spec to this camera. 640 x 480 pixels is also supported by this Canon digital camera. This digital camera also supports a video resolutions of 1280 x 720 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.
A 1920 x 1080 pixels video resolutions is in fact the best supported video resolution amongst all medium megapixel cameras that were released more than two years ago.
Amongst comparable types of digital camera the worst supported video resolution is 320 x 120 pixels.
What does "video resolutions" mean?