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 Ricoh GR II and Panasonic FZ40 side-by-side from the front, back and top in their relative dimensions. Ricoh GR II has external dimensions of 111.7 x 61 x 34.7 mm (4.61 x 3.27 x 1.38″) and weighs 251 g (0.55 lb / 8.85 oz) (including batteries). Panasonic FZ40 has external dimensions of 120 x 80 x 92 mm (4.72 x 3.15 x 3.62″) and weighs 494 g (1.09 lb / 17.43 oz) (including batteries).
Below you can see the front-view size comparison of the Ricoh GR II and the Panasonic FZ40. Ricoh GR II is clearly the smaller of the two cameras. Its body is 8mm narrower, 19mm shorter and 57mm thinner than Panasonic FZ40.
Here is the back view size comparison of the Ricoh GR II and Panasonic FZ40.
Now lets look at the top view comparison of Ricoh GR II and Panasonic FZ40.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Ricoh GR II is significantly lighter (243g ) than the Panasonic FZ40 which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither the Ricoh GR II nor Panasonic Lumix DMC-FZ40 (Lumix DMC-FZ45) provides any type of weather sealing in their bodies, 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 Top Bridge Cameras with Weather Sealing
LCD Screen Size and Features
Ricoh GR II and Panasonic FZ40'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.