The PEN E-PM2 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 common video resolution supported by digital cameras of this age and spec. 640 x 480 pixels is also supported by this Olympus camera. This 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 actually the best supported video resolution amongst all digital cameras of a comparable age and type to this digital camera.
A 320 x 120 pixels video resolutions is the worst supported video resolution across similar types of camera.