Intel's problem isn't its failure to get into mobile but its failure to crank up its PC microprocessors, argues Linley Gwennap in Microprocessor Report.

Gwennap points out that 2012 is the third of four years in which PC growth has been under 4%.

He also points out that: "Intel's fastest Core i7 desktop processor went from a 2.93GHz quad core in 2009 to 3.5GHz quad core in 2012."

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