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 Nikon P510 and Nikon P1000 side-by-side from the front, back and top in their relative dimensions. Nikon P510 has external dimensions of 120 x 83 x 102 mm (4.72 x 3.27 x 4.02″) and weighs 555 g (1.22 lb / 19.58 oz) (including batteries). Nikon P1000 has external dimensions of 146 x 119 x 181 mm (5.75 x 4.69 x 7.13″) and weighs 1415 g (3.12 lb / 49.91 oz) (including batteries).
Below you can see the front-view size comparison of the Nikon P510 and the Nikon P1000. Nikon P510 is clearly the smaller of the two cameras. Its body is 26mm narrower, 36mm shorter and 79mm thinner than Nikon P1000.
Here is the back view size comparison of the Nikon P510 and Nikon P1000.
Now lets look at the top view comparison of Nikon P510 and Nikon P1000.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Nikon P510 is significantly lighter (860g ) than the Nikon P1000 which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither the Nikon Coolpix P510 nor Nikon Coolpix P1000 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 Bridge Cameras with Weather Sealing
LCD Screen Size and Features
Nikon P1000's 3.20" LCD screen is slightly larger than Nikon P510's 3 screen.