Is there really that big of a difference between S-Video and RGB on SNES?

[chrisbid]

the concept/flow chart is simple, but the mess of cables certainly isnt

[Zing]

I just got an official Nintendo s-video cable. For some reason, the red and white cables are reversed. On every other cable I own, along with the inputs on the TV, the order of connections is yellow/white/red. This cable is s-video/red/white. I guess I need to find a game that has distinct left/right sounds so I can test that the cables are wired correctly.

*edit*
I tested the sound and it is wired correctly. I got this cable from Japan, but I can't imagine that Japanese audio inputs are reversed. I guess the s-video cable is just like that.

[Zing]

So I did a few comparisons with various games like Castlevania IV, Super Mario World, and Mega Man X. At first I didn't notice much difference. But when switching between the two, the difference is clear in the details and colors seem much more accurate. However, the difference isn't huge as with the PSone composite to s-video upgrade.