Like their high-end counterparts, the MacBook Pro, the MacBook also has seen its processor replaced with a next-generation version of the Core 2 Duo chip. And that’s meant performance gains for the MacBook when compared to the most recent version of the laptop as well as older Core 2 Duo-powered models. What’s more, the high-end 2.4GHz MacBook compares favorably to the 2.4GHz MacBook Pro.