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 HX80 and Panasonic ZS70 side-by-side from the front, back and top in their relative dimensions. Sony HX80 has external dimensions of 102 x 58 x 36 mm (4.02 x 2.28 x 1.42″) and weighs 245 g (0.54 lb / 8.64 oz) (including batteries). Panasonic ZS70 has external dimensions of 112 x 67 x 41 mm (4.41 x 2.64 x 1.61″) and weighs 322 g (0.71 lb / 11.36 oz) (including batteries).
Below you can see the front view size comparison of Sony HX80 and Panasonic ZS70. Sony HX80 is clearly the smaller of the two cameras. Its body is 10mm narrower, 9mm shorter and 5mm thinner than Panasonic ZS70.
Here is the back view size comparison of Sony HX80 and Panasonic ZS70.
Now lets look at the top view comparison of Sony HX80 and Panasonic ZS70.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Sony HX80 is significantly lighter (77g ) than the Panasonic ZS70 which may become a big advantage especially on long walking trips.
Unfortunately neither Sony Cyber-shot DSC-HX80 nor Panasonic Lumix DMC-ZS70 (Lumix DC-TZ90) 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 HX80 and Panasonic ZS70's LCD screens has the same diagonal size of 3.00".
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.