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 OnePlus 13 and Oppo Find X8 side-by-side from the front. OnePlus 13 has external dimensions of 162.9 x 76.5 x 8.5 mm (6.4 x 3.0 x 0.3 inches) and weighs 210 g (7.41 oz). Oppo Find X8 has external dimensions of 157.4 x 74.3 x 7.9 mm (6.2 x 2.9 x 0.3 inches) and weighs 193 g (6.81 oz).
Below you can see the front-view size comparison of the OnePlus 13 and the Oppo Find X8.
Oppo Find X8 is clearly the smaller of the two cameras. Its body is 2.20 mm narrower, 5.50 mm shorter and 0.60 mm thinner than OnePlus 13.