编者注：Xscale看来要没有市场了，目前还不清楚这款芯片使用上方便否？但CPU芯片功耗持续下降确实不争的事实
Intel unveils low-power Atom processor
Intel's tiny microprocessor is rammed with 47 million transistors
By James Carbone -- Purchasing, 3/3/2008 11:36:00 AM
Intel has announced new brand of low-power microprocessors designed for mobile Internet devices and low-cost Web-centric computers.
The Intel Atom processor is based on an entirely new microarchitecture designed specifically for small devices and low power, while maintaining the Intel Core 2 Duo instruction set used in a standard PC. The chip measures less than 25mm², making it Intel’s smallest and lowest power processor yet. Up to 11 Intel Atom processor die--the tiny slivers of silicon packed with 47 million transistors each--would fit in an area the size of a U.S. penny.
The chips will be manufactured on Intel’s industry-leading 45nm process with hi-k metal gate technology. The chips have a thermal design power (TDP) specification in 0.6-2.5 watt range and scale to 1.8GHz speeds depending on customer need. By comparison, today’s mainstream mobile Core 2 Duo processors have a TDP in the 35-watt range.
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