MacBook Air is powered by fourth-generation Intel Core i5 and i7 processors. The standard models include the dual-core Intel Core i5 at 1.4GHz with Turbo Boost speeds up to 2.7GHz. Or choose the optional dual-core Intel Core i7 processor for 1.7GHz of processing power and Turbo Boost speeds up to 3.3GHz. In addition, these processors are much more power efficient, which means you’re able to do all the things you love to do on a computer for longer than ever — up to 9 hours between battery charges with the 11-inch MacBook Air and up to 12 hours with the 13-inch model.*
*Battery life varies by use and configuration; see www.apple.com/batteries for more information.