Intel's quad-core Penryn processors have been out for quite some time - even if they're nearly impossible to come across. AMD, on the other hand, have only just rolled out some bug-free chips late last month, the flagship product being the 2.5GHz 9850. Despite the $50 price differences (AMD's being the cheaper of the two), ExtremeTech have directly compared AMD's flasgship with Intel's 2.5GHz Q9300. The performance of both chips greatly reflects their price, with the Q9300 storming ahead in the majority of the benchmarks.

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