Why use a RGB connection?

Answer 1

As opposed to S-video or RCA composite video, it is better quality. Component video is about the best you are going to do with analog signaling. Beyond that you move to HDMI which uses digital signaling instead.

Answer 2

RGB splits the colours into 3 seperate signals and carries the sync signal on the green wire. This provides a much clearer image.

It is extremely important to note that RGB and Component (both use 3 RCA's) are 2 different types of signals and are not compatible. Check what yours is before hooking it up.

Answer 3

Composite Video (Yellow Cable) Mixes all signals together (chrominance, brightness, red, green, and blue). This is analagous to four people talking to you at the same time and they are all giving you important information. Since you cant practially process all the information, some gets lost, and since people are talking over each other, they are over-stepping their conversations (distortion).

SVideo separates the color (chrominance) from the brightness of each color (Luminance) so now its only two people talking and easier to make a good picture.

Now with RGB, one person tells you what the horizon looks like a gives you a map in black and white. The second and third persons are alleviated of the burdon of describing the scene and can provide you with robust color information. And since these cables have their own bandwidth, they can tell you alot of information at the same time without you getting confused.


So in a nutshell.. More is better.


Of course DVI/Digital is a whole nother monster.