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 Samsung TL100 and Pentax E70 side-by-side from the front, back and top in their relative dimensions. Samsung TL100 has external dimensions of 105 x 61 x 37 mm (4.13 x 2.4 x 1.46″) and weighs 219 g (0.48 lb / 7.72 oz) (including batteries). Pentax E70 has external dimensions of 94 x 61 x 26 mm (3.7 x 2.4 x 1.02″) and weighs 175 g (0.39 lb / 6.17 oz) (including batteries).
Below you can see the front-view size comparison of the Samsung TL100 and the Pentax E70. Samsung TL100 has the same height with Pentax E70. On the other hand, with a width of 105mm, it is 11 wider and also with a thickness of 37mm, it is 11mm thicker than Pentax E70.
Here is the back view size comparison of the Samsung TL100 and Pentax E70.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Pentax E70 is significantly lighter (44g ) than the Samsung TL100 which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither the Samsung TL100 (ST50) nor Pentax Optio E70 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
Samsung TL100's 2.70" LCD screen is slightly larger than Pentax E70's 2.4" screen.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.