Macbook air 13 m1 vs 15 m2 July 8, 2019 16 32 64 128 Macbook pro 13 m1 vs macbook air 15 m2 Macbook air m1 13 inch vs macbook air m2 15 inch Apple macbook air 13 m1 2020 vs apple macbook air 15 m2 specs Macbook pro m1 13 inch vs macbook air m1