Size and weight is a big decision factor when you are trying to find the ideal camera for your needs.
In this section, We are going to illustrate Panasonic ZS7 and Sony TX20 side-by-side from the front, back and top in their relative dimensions. Panasonic ZS7 has external dimensions of 103 x 60 x 33 mm (4.06 x 2.36 x 1.3″) and weighs 218 g (0.48 lb / 7.69 oz) (including batteries). 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).
Below you can see the front view size comparison of Panasonic ZS7 and Sony TX20. Sony TX20 is clearly the smaller of the two cameras. Its body is 7mm narrower, 4mm shorter and 15mm thinner than Panasonic ZS7.
Here is the back view size comparison of Panasonic ZS7 and Sony TX20.
Now lets look at the top view comparison of Panasonic ZS7 and Sony TX20.
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 (85g ) than the Panasonic ZS7 which may become a big advantage especially on long walking trips.
Thanks to the weather sealed body of TX20, you can use this camera with more confidence under conditions where there is risk of exposure to water and dust compared to ZS7.
LCD Screen Size and Features
Panasonic ZS7 and Sony TX20's LCD screens has the same diagonal size of 3".
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.