Sony H300 weighs 590 g (1.30 lb / 20.81 oz) and has external dimensions of 130 x 95 x 122 mm (5.1 x 3.74 x 4.81″). Considering that the average weight of DSLR-Like type cameras is 591g, its weight is about average in its class. With a thickness of 122mm, it also has an average thickness.
Here is the front and top view image of Sony H300 with the dimensions:
In order to give you a better idea about the real life size of Sony H300, 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 Sony H300 with its main competitors:
Sony H300 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 Bridge Cameras with Weather Sealing page.