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 Sony TX20 and Panasonic ZS8 side-by-side from the front, back and top in their relative dimensions. Sony TX20 has external dimensions of 96 x 56 x 18 mm (3.78 x 2.2 x 0.71″) and weighs 133 g (0.29 lb / 4.69 oz) (including batteries). Panasonic ZS8 has external dimensions of 105 x 58 x 33 mm (4.13 x 2.28 x 1.3″) and weighs 210 g (0.46 lb / 7.41 oz) (including batteries).
Below you can see the front-view size comparison of the Sony TX20 and the Panasonic ZS8. Sony TX20 is clearly the smaller of the two cameras. Its body is 9mm narrower, 2mm shorter and 15mm thinner than Panasonic ZS8.
Here is the back view size comparison of the Sony TX20 and Panasonic ZS8.
Now lets look at the top view comparison of Sony TX20 and Panasonic ZS8.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Sony TX20 is significantly lighter (77g ) than the Panasonic ZS8 which may become a big advantage especially on long walking trips.
Weather Sealing
With its weather-sealed body, we believe that the TX20 has a big advantage over the ZS8 which doesn't provide any kind of environmental sealing.
LCD Screen Size and Features
Sony TX20 and Panasonic ZS8'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.