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 Pentax Efina and Fujifilm XQ1 side-by-side from the front, back and top in their relative dimensions. Pentax Efina has external dimensions of 87 x 54 x 21 mm (3.43 x 2.13 x 0.83″) and weighs 91 g (0.20 lb / 3.21 oz) (including batteries). Fujifilm XQ1 has external dimensions of 100 x 59 x 33 mm (3.94 x 2.32 x 1.3″) and weighs 206 g (0.45 lb / 7.27 oz) (including batteries).
Below you can see the front view size comparison of Pentax Efina and Fujifilm XQ1. Pentax Efina is clearly the smaller of the two cameras. Its body is 13mm narrower, 5mm shorter and 12mm thinner than Fujifilm XQ1.
Here is the back view size comparison of Pentax Efina and Fujifilm XQ1.
Now lets look at the top view comparison of Pentax Efina and Fujifilm XQ1.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Pentax Efina is significantly lighter (115g ) than the Fujifilm XQ1 which may become a big advantage especially on long walking trips.
Unfortunately neither Pentax Efina nor Fujifilm XQ1 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
LCD Screen Size and Features
Fujifilm XQ1's 3" LCD screen is slightly larger than Pentax Efina's 2.5" screen.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.