Where do you even find this info? Even on the Tech Specs page for the macbook air on apple.com it says "3.0GHz 6-core Intel Core i5 Turbo Boost up to 4.1GHz 9MB

Where do you even find this info? Even on the Tech Specs page for the macbook air on apple.com it says "3.0GHz 6-core Intel Core i5 Turbo Boost up to 4.1GHz 9MB shared L3 cache" and doesn't give the model number.