In Pictures: 12 things we know about Microsoft's n...
It sports an ARM chip
Surface differs from Microsoft’s traditional lineup of Windows PCs and laptops in that it runs an ARM architecture CPU -- the processor that has become common over the last several years in many tablets, smartphones, and other small-computing devices. Specifically, Surface will run the NVIDIA Tegra 3.
In Pictures: 12 things we know about Microsoft's new Surface Tablet (and one thing we don't)