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 Sigma DP1s and Sigma DP1 side-by-side from the front, back and top in their relative dimensions. Sigma DP1s has external dimensions of 109 x 60 x 31 mm (4.29 x 2.36 x 1.22″) and weighs 270 g (0.60 lb / 9.52 oz) (including batteries). Sigma DP1 has external dimensions of 113 x 60 x 50 mm (4.45 x 2.36 x 1.97″) and weighs 270 g (0.60 lb / 9.52 oz) (including batteries).
Below you can see the front view size comparison of Sigma DP1s and Sigma DP1. Sigma DP1s is 4mm narrower and 19mm thinner than Sigma DP1s but they have the same height of 60mm.
Here is the back view size comparison of Sigma DP1s and Sigma DP1.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Sigma DP1s and Sigma DP1 have exactly the same weight of 270g.
Unfortunately neither Sigma DP1s nor Sigma DP1 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
Sigma DP1s and Sigma DP1's LCD screens has the same diagonal size of 2.5".
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.