Jenny Williams is a correspondent for Computer Weekly.
She supports the technology team as well as covering mobile and desktop computing.
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Chipmaker ARM has introduced its energy-efficient Cortex A7 processor which extends smartphone battery life five times.
ARM claimed its latest Cortex A7 family of processors is its most energy-efficient application class processor. ARM said it will provide a richer user experience in entry-level smartphones.
Simon Segars, president at ARM, also introduced big.LITTLE processing.
Big.LITTLE processing combines two different processors in the same system on a chip (SoC). The lower-power Cortex A7 runs the operating system (OS) while greater demand tasks migrate to a higher-performance processor in 20 microseconds.
"One of today's technology's most significant challenges is how to create a SoC that meets the conflicting consumer demand for devices with both higher-performance and extended battery life," said Segars.
He added: "Big.LITTLE processing, enabled by Cortex-A7, achieves this by pairing the best of the high-performance Cortex-A15 MPCore and ultra-efficient Cortex-A7 processors."
ARM expect the Cortex-A7 to be available by 2013.
According to analyst research in July 2011, one in four notebook PCs will ship with an ARM processor by 2015, overtaking Intel's dominance in the PC chip market.
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