Sony TX66 weighs 109 g (0.24 lb / 3.84 oz) and has external dimensions of 93 x 54 x 13 mm (3.66 x 2.13 x 0.51″). Considering that the average weight of Compact type cameras is 188g, Sony TX66 is a remarkably light camera for its class. Even better, with a thickness of only 13mm, it is also quite small, 15mm thinner than the average of its class.
Here is the front and top view image of Sony TX66 with the dimensions:
Now lets compare the weight and thickness of Sony TX66 with its main competitors:
Sony TX66 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.