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 S9100 and Nikon P530 side-by-side from the front, back and top in their relative dimensions. Nikon S9100 has external dimensions of 105 x 62 x 35 mm (4.13 x 2.44 x 1.38″) and weighs 214 g (0.47 lb / 7.55 oz) (including batteries). Nikon P530 has external dimensions of 123 x 84 x 98 mm (4.83 x 3.31 x 3.87″) and weighs 494 g (including batteries).
Below you can see the front view size comparison of Nikon S9100 and Nikon P530. Nikon S9100 is clearly the smaller of the two cameras. Its body is 18mm narrower, 22mm shorter and 63mm thinner than Nikon P530.
Here is the back view size comparison of Nikon S9100 and Nikon P530.
Now lets look at the top view comparison of Nikon S9100 and Nikon P530.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Nikon S9100 is significantly lighter (280g ) than the Nikon P530 which may become a big advantage especially on long walking trips.
Unfortunately neither Nikon Coolpix S9100 nor Nikon Coolpix P530 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 Top Bridge Cameras with Weather Sealing
LCD Screen Size and Features
Nikon S9100 and Nikon P530's LCD screens has the same diagonal size of 3".
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.