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 ZS15 and Nikon S5200 side-by-side from the front, back and top in their relative dimensions. Panasonic ZS15 has external dimensions of 105 x 58 x 33 mm (4.13 x 2.28 x 1.3″) and weighs 208 g (0.46 lb / 7.34 oz) (including batteries). Nikon S5200 has external dimensions of 98 x 58 x 22 mm (3.86 x 2.28 x 0.87″) and weighs 146 g (0.32 lb / 5.15 oz) (including batteries).
Below you can see the front-view size comparison of the Panasonic ZS15 and the Nikon S5200. Panasonic ZS15 has the same height with Nikon S5200. On the other hand, with a width of 105mm, it is 7 wider and also with a thickness of 33mm, it is 11mm thicker than Nikon S5200.
Comparison image of the Panasonic ZS15 and the Nikon S5200 Size, Weight and External Dimensions - Front View
Here is the back view size comparison of the Panasonic ZS15 and Nikon S5200.
Comparison image of the Panasonic ZS15 and the Nikon S5200 Size and Weight - Back View
Now lets look at the top view comparison of Panasonic ZS15 and Nikon S5200.
Top View Comparison image of the Panasonic ZS15 and the Nikon S5200 Size
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Nikon S5200 is significantly lighter (62g ) than the Panasonic ZS15 which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither the Panasonic Lumix DMC-ZS15 (Lumix DMC-TZ25) nor Nikon Coolpix S5200 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 ZS15 and Nikon S5200'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.