Size and weight are big decision factors when you are trying to find the ideal phone for your needs. In this section, we are going to illustrate the Vivo iQOO Z9s and Vivo X100 Ultra side-by-side from the front. Vivo iQOO Z9s has external dimensions of 163.7 x 75.0 x 7.5 mm (6.4 x 3.0 x 0.3 inches) and weighs 182 g (6.42 oz). Vivo X100 Ultra has external dimensions of 164.1 x 75.6 x 9.2 mm (6.5 x 3.0 x 0.4 inches) and weighs 229 g (8.08 oz).
Below you can see the front-view size comparison of the Vivo iQOO Z9s and the Vivo X100 Ultra.
Vivo iQOO Z9s is clearly the smaller of the two cameras. Its body is 0.60 mm narrower, 0.40 mm shorter and 1.70 mm thinner than Vivo X100 Ultra.