GoPro Hero8 Black weighs
126 g (0.28 lb / 4.44 oz) and has external dimensions of
66 x 49 x 28 mm (2.61 x 1.91 x 1.12″). Considering that the average weight of Action Camera type cameras is 0g, GoPro Hero8 Black is a significantly heavy camera for its class. With a thickness of 28mm, it is not small either, 28mm thicker than the average of its class.
Weight Comparison
Action Camera Cameras
Thickness Comparison
Action Camera Cameras
Here is the front and top view image of GoPro Hero8 Black with the dimensions:
Front and Top View External Dimensions and Size of GoPro Hero8 Black Camera Body
In order to give you a better idea about the real life size of GoPro Hero8 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 Hero8 Black Body Compared to a Credit Card and an AA Battery
Now let's compare GoPro Hero8 Black size with the camera that it replaced: GoPro Hero7 Black. GoPro Hero7 Black is 4mm narrower and 4mm shorter than GoPro Hero8 Black but it is also 5mm thicker.
Comparison image of GoPro Hero8 Black and GoPro Hero7 Black Size, Weight and External Dimensions - Front View
Below you can find the comparison of the weight and thickness of GoPro Hero8 Black with its main competitors:
GoPro Hero8 Black Size Compared to Main Competitors
Weather Sealing
GoPro Hero8 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 Hero8 Black will serve you well.