We take off the heatsink to reveal the Atom processor. The heatsink is held in place by two Phillips screws -- no need to reinvent the wheel here...

The Intel Atom CE4150 1.2 GHz processor.

So how does the Atom CE4150 stack up against the A4 processor?

The Intel CE4150 is clocked at 1.2 GHz, whereas the Apple A4 processor is capped at 1.0 GHz.

The architecture of the Apple A4 revolves around its package-on-package (PoP) design, encompassing both processor and RAM into one design. The Atom CE4150 design relies on external RAM chips.