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Intel's first 22nm CPU, codenamed Ivy Bridge, is off to an odd start. Intel unveiled many of the quad-core desktop and mobile parts last month, but only sampled a single chip to reviewers. Dual-core mobile parts are announced today, as are their ultra-low-voltage counterparts for use in Ultrabooks. One dual-core desktop part gets announced today as well, but the bulk of the dual-core lineup won't surface until later this year. Furthermore, it only revealed the die size and transistor count of a single configuration: a quad-core with GT2 graphics. Compare this to the Sandy Bridge launch a year prior where Intel sampled four different CPUs and gave us a detailed breakdown of die size and transistor counts for quad core, dual core and GT1/GT2 configurations. Why the change? Various sects within Intel management have different feelings on how much or how little information should be shared. It's also true that at the highest levels there's a bit of paranoia about the threat ARM poses to Intel in the long run. Combine the two and you can see how some folks at Intel might feel it's better to behave a bit more guarded. I don't agree, but this is the hand we've been dealt.

Intel also introduced a new part into the Ivy Bridge lineup while we weren't looking: the Core i5 3470. At the Ivy Bridge launch we were told about a Core i5 3450, a quad-core CPU clocked at 3.1GHz with Intel's HD 2500 graphics. This is our first experience with a more affordable Ivy Bridge CPU and with Intel's HD 2500.

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