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 Panasonic LX100 II and Sigma DP3 Merrill side-by-side from the front, back and top in their relative dimensions. Panasonic LX100 II has external dimensions of 115 x 66 x 64 mm (4.53 x 2.6 x 2.52″) and weighs 392 g (0.86 lb / 13.83 oz) (including batteries). Sigma DP3 Merrill has external dimensions of 122 x 67 x 59 mm (4.8 x 2.64 x 2.32″) and weighs 330 g (0.73 lb / 11.64 oz) (including batteries).
Below you can see the front-view size comparison of the Panasonic LX100 II and the Sigma DP3 Merrill. Panasonic LX100 II is clearly the smaller of the two cameras. Its body is 7mm narrower, 1mm shorter and 20mm thinner than Sigma DP3 Merrill.
Here is the back view size comparison of the Panasonic LX100 II and Sigma DP3 Merrill.
Now lets look at the top view comparison of Panasonic LX100 II and Sigma DP3 Merrill.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Sigma DP3 Merrill is significantly lighter (62g ) than the Panasonic LX100 II which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither the Panasonic Lumix DC-LX100 II nor Sigma DP3 Merrill 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
Panasonic LX100 II and Sigma DP3 Merrill's LCD screens have the same diagonal size of 3.00 inches.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.