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As a quick comparison here are the specifications between CCD vs. newest CMOS chip that are used in GM cameras: Resolution CCD = 512 X 582
Resolution CMOS = 780 X 420
TV Lines CCD = 480
TV Lines CMOS = 600
NIght Vision CCD = .3 LUX
NIght Vision CMOS = .1 LUX
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Both are Digital signal Cameras.....
One of the most commonly asked questions by our customers is whether the camera system is CMOS or CCD. A common misconception is that CCD is better than CMOS...
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CCD (Charged Coupled Device) and CMOS (Complimentary Metal Oxide Semiconductor) are two different technologies for capturing digital images.
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Both types of imagers convert light into electrical charge and process it into electrical signals. With the CCD each pixel's charge is transferred through a single output node (most common) to be converted to voltage and sent off as an analog signal.
CMOS on the other hand is much more complex in that each pixel has its own charge to voltage conversion and the sensor includes other processes such as amplification and noise correction..
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Though many vendors will try to sway you toward a product they sell over a competitor product because of the type of chip contained in the camera, the truth is that a good CMOS and CCD can represent the same high quality image.