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 Panasonic ZS45 and Panasonic SZ10 side-by-side from the front, back and top in their relative dimensions. Panasonic ZS45 has external dimensions of 108 x 60 x 32 mm (4.25 x 2.36 x 1.26″) and weighs 249 g (0.55 lb / 8.78 oz) (including batteries). Panasonic SZ10 has external dimensions of 99 x 60 x 30 mm (3.9 x 2.36 x 1.18″) and weighs 177 g (0.39 lb / 6.24 oz) (including batteries).
Below you can see the front-view size comparison of the Panasonic ZS45 and the Panasonic SZ10. Panasonic ZS45 has the same height with Panasonic SZ10. On the other hand, with a width of 108mm, it is 9 wider and also with a thickness of 32mm, it is 2mm thicker than Panasonic SZ10.
Here is the back view size comparison of the Panasonic ZS45 and Panasonic SZ10.
Now lets look at the top view comparison of Panasonic ZS45 and Panasonic SZ10.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Panasonic SZ10 is significantly lighter (72g ) than the Panasonic ZS45 which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither the Panasonic Lumix DMC-ZS45 (Lumix DMC-TZ57) nor Panasonic Lumix DMC-SZ10 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
Panasonic ZS45 and Panasonic SZ10's LCD screens have the same diagonal size of 3.00 inches.
Both cameras feature
Tilting screens where you can change the angle of the screen to make it easier to shoot from waist or over-the-head levels.