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First off, there is more battery capacity. The increased battery life is the result of two under-the-hood changes to the MacBook Air. Reference models in italics.-Macworld Lab testing performed by James Galbraith and Jeff Sandstoe The new standard configuration 13-inch Air lasted 63 percent longer than last year’s 13-inch MacBook Air and 67 percent longer than the 13-inch Retina MacBook Pro.ġ3-inch MacBook Air/1.3GHz Core i5 (Mid 2013)ġ3-inch MacBook Air/1.7GHz Core i7 CTO (Mid 2013)ġ1-inch MacBook Air/1.3GHz Core i5 (Mid 2013)ġ3-inch MacBook Air/2.0GHz Core i7 CTO (Mid 2012)ġ3-inch MacBook Air/1.8GHz Core i5 (Mid 2012)ġ1-inch MacBook Air/1.7GHz Core i5 (Mid 2012)ġ3-inch Retina MacBook Pro/2.6GHz Core i5 (Early 2013) It should be pointed out, however, that the CTO Air outscored the new stock 13-inch MacBook Air by about 20 percent in the tasks that Peacekeeper repeatedly runs during its battery test.
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The new 13-inch standard configuration model lasted 41 percent longer than the new 11-inch model and 25 percent longer than the new CTO MacBook Air.
MAC AIR BATTERY LIFE MOVIE
In the Peacekeeper tests, the new 13-inch standard configuration MacBook Air lasted the longest at 5 hours and 45 minutes, which was 2.5 hours less than in our movie test. Hence, we found that the laptops couldn’t last as long when running the Peacekeeper test, but did find that the performance still scaled per our expectations. This test is much more taxing than the movie playback, using more of the system’s memory and processor. The second set of tests used Futuremark’s free Peacekeeper browser test, which has an option to run the online test repeatedly and report the time at which the system being tested stops responding.