The PXW-FS5 supports a 3840 x 2160 pixels video resolutions which is higher than the 640 x 480 pixels video resolutions supported by most camcorders of this age and spec. This Sony camcorder also support a video resolutions of 1280 x 720 pixels and 1920 x 1080 pixels.
This camcorder's video resolution (3840 x 2160 pixels) is actually the best supported video resolution across all camcorders of this type and age.
A 640 x 360 pixels video resolutions is the worst supported video resolution across comparable types of camcorder.
What does "video resolutions" mean?