Question: what is the difference between ipad air 1 and ipad air 2?
Answer: The original iPad Air and iPad Air 2 models are both 9.4 inches tall and 6.6 inches wide when held in portrait (vertical) orientation, but the iPad Air 2 is slightly thinner (0.24 of an inch compared to 0.29 of an inch) and lighter (just slightly under a pound compared to just slightly over a pound).