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 Leica D-Lux Typ 109 and Leica D-Lux 7 side-by-side from the front, back and top in their relative dimensions. Leica D-Lux Typ 109 has external dimensions of 118 x 66 x 55 mm (4.65 x 2.6 x 2.17″) and weighs 405 g (0.89 lb / 14.29 oz) (including batteries). Leica D-Lux 7 has external dimensions of 118 x 66 x 64 mm (4.65 x 2.6 x 2.52″) and weighs 403 g (0.89 lb / 14.22 oz) (including batteries).
Below you can see the front view size comparison of Leica D-Lux Typ 109 and Leica D-Lux 7. Leica D-Lux Typ 109 has the same height and width with Leica D-Lux 7. On the other hand, with a thickness of 55mm, it is 9mm thinner.
Here is the back view size comparison of Leica D-Lux Typ 109 and Leica D-Lux 7.
Now lets look at the top view comparison of Leica D-Lux Typ 109 and Leica D-Lux 7.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Leica D-Lux 7 is 2g lighter than the Leica D-Lux Typ 109 but we don't think this will make a significant difference.
Unfortunately neither Leica D-Lux (Typ 109) nor Leica D-Lux 7 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
Leica D-Lux Typ 109 and Leica D-Lux 7'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.