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Page last updated at 14:02 GMT, Friday, 2 March 2012

Are smartphones really that different?

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Is your mobile small? Thin? Has it got a touchscreen? Does it even make phone calls? Then it is probably one of the new range of new smartphones. But if they all look so similar how can they make themselves distinct?

Marc Cieslak examines what goes on inside a smartphone to make all the difference to performance.

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