Size and weight are big decision factors when you are trying to find the ideal camera for your needs.
In this section, we are going to illustrate the Sony TX66 and Canon SX730 HS side-by-side from the front, back and top in their relative dimensions. Sony TX66 has external dimensions of 93 x 54 x 13 mm (3.66 x 2.13 x 0.51″) and weighs 109 g (0.24 lb / 3.84 oz) (including batteries). Canon SX730 HS has external dimensions of 110 x 64 x 40 mm (4.33 x 2.52 x 1.57″) and weighs 300 g (0.66 lb / 10.58 oz) (including batteries).
Below you can see the front-view size comparison of the Sony TX66 and the Canon SX730 HS. Sony TX66 is clearly the smaller of the two cameras. Its body is 17mm narrower, 10mm shorter and 27mm thinner than Canon SX730 HS.
Here is the back view size comparison of the Sony TX66 and Canon SX730 HS.
Now lets look at the top view comparison of Sony TX66 and Canon SX730 HS.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Sony TX66 is significantly lighter (191g ) than the Canon SX730 HS which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither the Sony Cyber-shot DSC-TX66 nor Canon PowerShot SX730 HS provides any type of weather sealing in their bodies, 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
LCD Screen Size and Features
Sony TX66's 3.30" LCD screen is slightly larger than Canon SX730 HS's 3 screen.