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 ZS8 and Olympus VR-330 side-by-side from the front, back and top in their relative dimensions. Panasonic ZS8 has external dimensions of 105 x 58 x 33 mm (4.13 x 2.28 x 1.3″) and weighs 210 g (0.46 lb / 7.41 oz) (including batteries). Olympus VR-330 has external dimensions of 101 x 58 x 29 mm (3.98 x 2.28 x 1.14″) and weighs 158 g (0.35 lb / 5.57 oz) (including batteries).
Below you can see the front-view size comparison of the Panasonic ZS8 and the Olympus VR-330. Panasonic ZS8 has the same height with Olympus VR-330. On the other hand, with a width of 105mm, it is 4 wider and also with a thickness of 33mm, it is 4mm thicker than Olympus VR-330.
Comparison image of the Panasonic ZS8 and the Olympus VR-330 Size, Weight and External Dimensions - Front View
Here is the back view size comparison of the Panasonic ZS8 and Olympus VR-330.
Comparison image of the Panasonic ZS8 and the Olympus VR-330 Size and Weight - Back View
Now lets look at the top view comparison of Panasonic ZS8 and Olympus VR-330.
Top View Comparison image of the Panasonic ZS8 and the Olympus VR-330 Size
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Olympus VR-330 is significantly lighter (52g ) than the Panasonic ZS8 which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither the Panasonic Lumix DMC-ZS8 (Lumix DMC-TZ18) nor Olympus VR-330 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 ZS8 and Olympus VR-330'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.