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 Sony HX7V and Panasonic ZS80 side-by-side from the front, back and top in their relative dimensions. Sony HX7V has external dimensions of 102 x 58 x 29 mm (4.02 x 2.28 x 1.14″) and weighs 208 g (0.46 lb / 7.34 oz) (including batteries). Panasonic ZS80 has external dimensions of 112 x 69 x 42 mm (4.41 x 2.72 x 1.65″) and weighs 327 g (0.72 lb / 11.53 oz) (including batteries).
Below you can see the front view size comparison of Sony HX7V and Panasonic ZS80. Sony HX7V is clearly the smaller of the two cameras. Its body is 10mm narrower, 11mm shorter and 13mm thinner than Panasonic ZS80.
Here is the back view size comparison of Sony HX7V and Panasonic ZS80.
Now lets look at the top view comparison of Sony HX7V and Panasonic ZS80.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Sony HX7V is significantly lighter (119g ) than the Panasonic ZS80 which may become a big advantage especially on long walking trips.
Unfortunately neither Sony Cyber-shot DSC-HX7V nor Panasonic Lumix DC-ZS80 (Lumix DC-TZ95) provides any type of weather sealing in their body, 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
Sony HX7V and Panasonic ZS80's LCD screens has the same diagonal size of 3".
On the other hand, Panasonic ZS80 features a Tilting screen
where you can change the angle of the screen to make it easier to shoot from waist or over the head levels whereas the Sony HX7V has a fixed type screen which provides less flexibility in shooting positions compared to ZS80.