Size and weight is a big decision factor when you are trying to find the ideal camera for your needs.
In this section, We are going to illustrate Canon ELPH 150 IS and Panasonic FZ70 side-by-side from the front, back and top in their relative dimensions. Canon ELPH 150 IS has external dimensions of 95 x 57 x 24 mm (3.74 x 2.24 x 0.94″) and weighs 142 g (0.31 lb / 5.01 oz) (including batteries). Panasonic FZ70 has external dimensions of 130 x 97 x 118 mm (5.12 x 3.82 x 4.65″) and weighs 606 g (1.34 lb / 21.38 oz) (including batteries).
Below you can see the front view size comparison of Canon ELPH 150 IS and Panasonic FZ70. Canon ELPH 150 IS is clearly the smaller of the two cameras. Its body is 35mm narrower, 40mm shorter and 94mm thinner than Panasonic FZ70.
Here is the back view size comparison of Canon ELPH 150 IS and Panasonic FZ70.
Now lets look at the top view comparison of Canon ELPH 150 IS and Panasonic FZ70.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Canon ELPH 150 IS is significantly lighter (464g ) than the Panasonic FZ70 which may become a big advantage especially on long walking trips.
Unfortunately neither Canon PowerShot ELPH 150 IS (IXUS 155) nor Panasonic Lumix DMC-FZ70 provides any type of weather sealing in their body, 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 Top Bridge Cameras with Weather Sealing
LCD Screen Size and Features
Panasonic FZ70's 3.00" LCD screen is slightly larger than Canon ELPH 150 IS's 2.7" screen.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.