Compare Pixel XL and Xperia Ace III and Xperia Ace II and Raku-Raku Smart Phone F-42A and SHARP AQUOS R9 and iPhone 7 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.