AMD shrinks desktop chips

AMD began selling its top chip for desktop PCs made with a 65-nanometer design today.

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Advanced Micro Devices (AMD) began selling its top chip for desktop PCs made with a 65-nanometer (nm) design today.

In so doing, the chipmaker is continuing its efforts to keep up with rival Intel, as the industry migrates from 90-nm design to a faster, more efficient generation of processors.

By manufacturing its dual-core Athlon 64 X2 chip on the smaller geometry, AMD will be able to increase manufacturing output while improving the chips' performance and power efficiency, said Jack Huynh, an AMD market development manager.

Some PC vendors are selling the new chip in computers already, and by the first quarter of 2007 that list will include Acer, Dell, Founder Electronics, HP, Packard Bell and Tsinghua Tongfang, according to AMD.

The move to 65-nm manufacturing is crucial for the vendor as it strives to keep up with a flurry of new processors from Intel. Intel had a rough year in 2006, losing ground to AMD in market share, but has rallied in recent months. The company launched its Core 2 Duo family of desktop chips in July and its quad-core Core 2 Extreme in November. Intel switched its chip manufacturing plants to a smaller architecture months ago, and already sells more 65-nm chips than 90-nm chips.

A chip made with 65-nm process technology has smaller features – such as transistors and the wires that connect them – than a chip made with 90-nm technology, said Rob Willoner, a technology analyst with Intel's technology and manufacturing group. That progression is the engine that drives Moore's Law, the prediction that the number of processors on a microprocessor will double every 18 months.

One nanometer is one-billionth of a meter, meaning that the wires on 65-nm design chips are far slimmer than human hairs. Minuscule as that is, chip vendors already have plans to shrink the parts even smaller. Intel has already announced plans to use chip features of 45 nm by 2007, 32 nm by 2009 and 22 nm by 2011.

As chip features continue to shrink, engineers struggle harder to take each new step. But as long as customers demand smaller, more efficient computers, there's plenty of economic incentive for the process to continue, he said.

"There's bound to be an end at some point, but we can't see it yet," Willoner said. "At one point, people said it was 1 micron, which is 1,000 nm, but the industry passed that without blinking about a decade ago. Now some people are saying it's 5 nm. I don't see it happening before 2020 or 2025, and by then we could have radically different technologies to compensate."

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