GoPro Hero9 Black weighs
158 g (0.35 lb / 5.57 oz) and has external dimensions of
71 x 55 x 34 mm (2.8 x 2.17 x 1.34″). Considering that the average weight of Action Camera type cameras is 123g, GoPro Hero9 Black is a significantly heavy camera for its class. With a thickness of 34mm, it has an average thickness.
Weight Comparison
Action Camera Cameras
Thickness Comparison
Action Camera Cameras
Here is the front and top view image of GoPro Hero9 Black with the dimensions:
Front and Top View External Dimensions and Size of GoPro Hero9 Black Camera Body
In order to give you a better idea about the real life size of GoPro Hero9 Black, we have added an image of how it looks next to a credit card and an AA type battery.
Physical size of the GoPro Hero9 Black Body Compared to a Credit Card and an AA Battery
Now let's compare GoPro Hero9 Black size with the camera that it replaced: GoPro Hero8 Black (Check Hero9 Black vs ). GoPro Hero8 Black is clearly the smaller of the two cameras. Its body is 5mm narrower, 6mm shorter and 6mm thinner than GoPro Hero9 Black.
Comparison image of GoPro Hero9 Black and GoPro Hero8 Black Size, Weight and External Dimensions - Front View
Below you can find the comparison of the weight and thickness of GoPro Hero9 Black with its main competitors:
GoPro Hero9 Black Size Compared to Main Competitors
Weather Sealing
GoPro Hero9 Black has environmental sealings on its body which makes it a weather resistant camera, providing resistance against the water and dust getting in to the camera. If you like outdoors photography and want to be able to use your camera in extreme conditions, GoPro Hero9 Black will serve you well.