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 Sony RX100 IV and Olympus SP-620 UZ side-by-side from the front, back and top in their relative dimensions. Sony RX100 IV has external dimensions of 102 x 58 x 41 mm (4.02 x 2.28 x 1.61″) and weighs 298 g (0.66 lb / 10.51 oz) (including batteries). Olympus SP-620 UZ has external dimensions of 110 x 74 x 74 mm (4.33 x 2.91 x 2.91″) and weighs 435 g (including batteries).
Below you can see the front-view size comparison of the Sony RX100 IV and the Olympus SP-620 UZ. Sony RX100 IV is clearly the smaller of the two cameras. Its body is 8mm narrower, 16mm shorter and 33mm thinner than Olympus SP-620 UZ.
Here is the back view size comparison of the Sony RX100 IV and Olympus SP-620 UZ.
Now lets look at the top view comparison of Sony RX100 IV and Olympus SP-620 UZ.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Sony RX100 IV is significantly lighter (137g ) than the Olympus SP-620 UZ which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither the Sony Cyber-shot DSC-RX100 IV nor Olympus SP-620 UZ 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
Sony RX100 IV and Olympus SP-620 UZ's LCD screens have the same diagonal size of 3.00 inches.
On the other hand, Sony RX100 IV features a
Tilting screen where you can change the angle of the screen to make it easier to shoot from waist or over-the-head levels whereas the Olympus SP-620 UZ has a fixed type screen which provides less flexibility in shooting positions compared to RX100 IV.