Wacom is a manufacturer of tablets. Intuos is one of their models. That is the only difference.

My first tablet was a 4x5 Wacom Graphire. It was ideal for me at the time -- it's great for beginners whose hands movements in drawing are fairly small.

My current tablet is a 6x9 Wacom Intuos. It has more pressure sensitivity, which I found I needed, and the slightly bigger size is better for me now that I have more room on my desk and have more confident sweeps of my hand as I draw or paint.

The best way for you to find out what model you need is to go to Wacom's site and take the little test they have, which asks you about how you work and what you want in a tablet. From your answers, they will suggest a good size and model for you to get.

:)