Nikon S6400 weighs 150 g (0.33 lb / 5.29 oz) and has external dimensions of 95 x 58 x 27 mm (3.74 x 2.28 x 1.06″). Considering that the average weight of Compact type cameras is 188g, Nikon S6400 is a remarkably light camera for its class. With a thickness of 27mm, it has an average thickness for its class.
Here is the front and top view image of Nikon S6400 with the dimensions:
In order to give you a better idea about the real life size of Nikon S6400, we have added an image of how it looks next to a credit card and an AA type battery.
Now lets compare the weight and thickness of Nikon S6400 with its main competitors:
Nikon S6400 doesn't have any environmental sealings on its body so you got to be extra careful to protect it against water and dust. If you shoot under these conditions very often, consider checking Top Compact Cameras with Weather Sealing page.