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 P510 and Nikon P500 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 P500 has external dimensions of 116 x 84 x 10 mm (4.57 x 3.31 x 4.06″) and weighs 494 g (1.09 lb / 17.43 oz) (including batteries).
Below you can see the front view size comparison of Nikon P510 and Nikon P500. Nikon P510 is 1mm shorter and 1mm thinner than Nikon P500 but it is also 4mm wider.
Here is the back view size comparison of Nikon P510 and Nikon P500.
Now lets look at the top view comparison of Nikon P510 and Nikon P500.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Nikon P500 is 61g lighter than the Nikon P510 but we don't think this will make a significant difference.
Unfortunately neither Nikon Coolpix P510 nor Nikon Coolpix P500 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 P510 and Nikon P500'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.