The Intel Atom Processor series features Intel's smallest computer processor designed for Mobile Internet Devices and low-cost PCs. The Atom Processor is manufactured on a 45nm die and has a Thermal Design Power of 2.5W.  These processors have a clock speed ranging from 800Mhz to 1.8Ghz with either a single or dual core. It also has 512KB of cache with a 533Mhz Front Side Bus.