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 A1000 and Nikon P7800 side-by-side from the front, back and top in their relative dimensions. Nikon A1000 has external dimensions of 114 x 72 x 41 mm (4.49 x 2.83 x 1.61″) and weighs 330 g (0.73 lb / 11.64 oz) (including batteries). Nikon P7800 has external dimensions of 119 x 78 x 50 mm (4.69 x 3.07 x 1.97″) and weighs 399 g (0.88 lb / 14.07 oz) (including batteries).
Below you can see the front view size comparison of Nikon A1000 and Nikon P7800. Nikon A1000 is clearly the smaller of the two cameras. Its body is 5mm narrower, 6mm shorter and 9mm thinner than Nikon P7800.
Here is the back view size comparison of Nikon A1000 and Nikon P7800.
Now lets look at the top view comparison of Nikon A1000 and Nikon P7800.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Nikon A1000 is significantly lighter (69g ) than the Nikon P7800 which may become a big advantage especially on long walking trips.
Unfortunately neither Nikon Coolpix A1000 nor Nikon Coolpix P7800 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
Nikon A1000 and Nikon P7800's LCD screens has the same diagonal size of 3".
Nikon A1000 features a Tilting only screen
which is mostly only good for shooting from waist or over the head levels. On the other hand, Nikon P7800 sports a Fully Articulated screen
which is more flexible and useful especially for taking Selfie shots and video.