Question: what is the difference between ipad 4 and ipad air?
Answer: The iPad Air has a newer, lighter, mini-like build Apple has also made the new model lighter and 20 per cent thinner than its predecessor. The Wi-Fi model of the iPad 4 measures 241.2 x 185.7 x 9.4mm and weighs 652g, while the new iPad Air comes in at 240 x 169.5 x 7.5mm and hits the scales at 469g.