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 Nikon L820 and Olympus 1 side-by-side from the front, back and top in their relative dimensions. Nikon L820 has external dimensions of 111 x 76 x 85 mm (4.37 x 2.99 x 3.35″) and weighs 470 g (1.04 lb / 16.58 oz) (including batteries). Olympus 1 has external dimensions of 116 x 87 x 57 mm (4.57 x 3.43 x 2.24″) and weighs 402 g (0.89 lb / 14.18 oz) (including batteries).
Below you can see the front view size comparison of Nikon L820 and Olympus 1. Nikon L820 is 5mm narrower and 11mm shorter than Olympus 1 but it is also 28mm thicker.
Here is the back view size comparison of Nikon L820 and Olympus 1.
Now lets look at the top view comparison of Nikon L820 and Olympus 1.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Olympus 1 is significantly lighter (68g ) than the Nikon L820 which may become a big advantage especially on long walking trips.
Unfortunately neither Nikon Coolpix L820 nor Olympus Stylus 1 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 Bridge Cameras with Weather Sealing
LCD Screen Size and Features
Nikon L820 and Olympus 1's LCD screens has the same diagonal size of 3.00".
On the other hand, Olympus 1 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 Nikon L820 has a fixed type screen which provides less flexibility in shooting positions compared to 1.