Size and weight are big decision factors when you are trying to find the ideal camera for your needs.
In this section, we are going to illustrate the Samsung PL170 and Samsung ST90 side-by-side from the front, back and top in their relative dimensions. Samsung PL170 has external dimensions of 95 x 57 x 19 mm (3.74 x 2.24 x 0.75″) and weighs (including batteries). Samsung ST90 has external dimensions of 92 x 53 x 17 mm (3.62 x 2.09 x 0.67″) and weighs (including batteries).
Below you can see the front-view size comparison of the Samsung PL170 and the Samsung ST90. Samsung ST90 is clearly the smaller of the two cameras. Its body is 3mm narrower, 4mm shorter and 2mm thinner than Samsung PL170.
Here is the back view size comparison of the Samsung PL170 and Samsung ST90.
Now lets look at the top view comparison of Samsung PL170 and Samsung ST90.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Samsung PL170 and Samsung ST90 have exactly the same weight of g.
Weather Sealing
Unfortunately neither the Samsung PL170 nor Samsung ST90 provides any type of weather sealing in their bodies, so you have to give extra care especially when you are shooting outdoors. If weather sealing is a must-have feature for you, check these sections: Top Compact Cameras with Weather Sealing
LCD Screen Size and Features
Samsung PL170 and Samsung ST90's LCD screens have the same diagonal size of 3.00 inches.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.