Beam Penetration Method and Shadow Mask Method

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Beam Penetration Method	Shadow Mask Method
Only four colors can be produced- red, green, yellow and orange.	Millions of colors can be produced.
Less colors are available as the colors produced depends upon the speed of electron beam.	Millions of colors are available as it depends upon the intensity values for the three guns.
Only one electron gun is used.	Three electron guns are used i.e. red, green and blue.
Picture quality is poor as different colors and shades are not possible.	Picture quality is good as it is possible to produce several different colors and shades.
It does not provide realistic display.	It is suitable to display realistic scenes and images.
It gives high resolution.	It gives low resolution.
It is less expensive than shadow mask method.	It usage of high quality shadow mask usually increases the cost of shadow mask CRT.
It is used in random scan system to display color.	It is used with raster scan system including video monitors and TVs.