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 L840 and Sony HX90V side-by-side from the front, back and top in their relative dimensions. Nikon L840 has external dimensions of 114 x 89 x 96 mm (4.49 x 3.5 x 3.78″) and weighs 538 g (1.19 lb / 18.98 oz) (including batteries). Sony HX90V 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).
Below you can see the front view size comparison of Nikon L840 and Sony HX90V. Sony HX90V is clearly the smaller of the two cameras. Its body is 12mm narrower, 31mm shorter and 60mm thinner than Nikon L840.
Here is the back view size comparison of Nikon L840 and Sony HX90V.
Now lets look at the top view comparison of Nikon L840 and Sony HX90V.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Sony HX90V is significantly lighter (293g ) than the Nikon L840 which may become a big advantage especially on long walking trips.
Unfortunately neither Nikon Coolpix L840 nor Sony Cyber-shot DSC-HX90V 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 Top Compact Cameras with Weather Sealing
LCD Screen Size and Features
Nikon L840 and Sony HX90V's LCD screens has the same diagonal size of 3".
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.