[WindowsCentral.com]

Is there a difference between a CPU, GPU, and APU?
Most of the hardware in your PC is associated with an acronym, and as technology advances and the number of parts increases, keeping all those names straight can be confusing. For the sake of keeping it all straight and to potentially help you get the hardware you need, let's take a look at the differences between the terms CPU, GPU, and APU.

Full story from the WindowsCentral blog...