No they are not. The two are designed to work together. When your PC is docked with a keyboard attached, it's a workstation with tablet features. When it's not docked, its a tablet with workstation features.
>When your PC is docked with a keyboard attached, it's a workstation with tablet features. When it's not docked, its a tablet with workstation features.
That's definitely a good way to look at it. I really enjoy how Windows 8 is the mixture of the two and compliment each other very well.