Core 2 Duo processors have also been the go-to for many less expensive desktop systems, with speeds reaching over 3Ghz. Over those three years the average speeds of Core 2 Duo processors have advanced significantly, and many of today’s Core 2 Duo laptops have speeds of around 2.2Ghz or faster. The Core 2 Duo has been the processor of choice in laptops for about three years.
