Apple mac book air is very poweful laptop which has 8gb ram and intel i5 5th generation processor which is more than sufficient in an mac operating system.
it contains 13.3 inch of screen and its the lightest laptop in its 13.3 inch category which makes it ahead of all other laptops
the best thing of this laptop is its battery life which is almost 12 hours and can be charged fromm 0 to 100 in an hour
but the display is not that good which is disappointing.
overall this laptop is good and value for money
and if are looking for a mac I suugest you to buy mac book air