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 RX10 IV and Sony RX10 III side-by-side from the front, back and top in their relative dimensions. Sony RX10 IV has external dimensions of 133 x 94 x 145 mm (5.24 x 3.7 x 5.71″) and weighs 1095 g (2.41 lb / 38.62 oz) (including batteries). Sony RX10 III has external dimensions of 133 x 94 x 127 mm (5.24 x 3.7 x 5″) and weighs 1051 g (2.32 lb / 37.07 oz) (including batteries).
Below you can see the front-view size comparison of the Sony RX10 IV and the Sony RX10 III. Sony RX10 IV has the same height and width with Sony RX10 III. On the other hand, with a thickness of 145mm, it is 18mm thicker.
Here is the back view size comparison of the Sony RX10 IV and Sony RX10 III.
Now lets look at the top view comparison of Sony RX10 IV and Sony RX10 III.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Sony RX10 III is 44g lighter than the Sony RX10 IV but we don't think this will make a significant difference.
Both the RX10 IV and the RX10 III have weather sealings in their bodies, making them resistant to water and dust.
LCD Screen Size and Features
Sony RX10 IV and Sony RX10 III's LCD screens have the same diagonal size of 3.00 inches.
Both cameras feature Tilting screens
where you can change the angle of the screen to make it easier to shoot from waist or over-the-head levels.