Compare iPad (2nd generation) and iPad (3rd generation) and iPad (6th generation) and iPad (4th generation) and iPad (5th generation) and iPad Pro 9.7-inch by weight and lightness graphs.

There is quite a difference in weight between different phones. If you are going to hold the phone in one hand for a long time, it is recommended to have the lightest phone possible. Note that the more battery capacity you have, the heavier the weight will be.