Garmin Virb Elite
Device is protected with extra seals to prevent failures due to any kind of weather.
Canon Legria Mini
Dustproof/water resistant at depth equal to or greater than 1 meter.
GoPro Hero6 Black
Veho Muvi Atom
1080 x 30fps
The maximum resolution available for videos shot with the main camera. Although it may be possible to choose among other frame rates, those recordings usually have lower resolutions.
2160 x 150fps
When recording movies they stay focussed and sharp.
You can shoot multiple pictures in a row.
Fast continuous shooting is useful for catching action shots.
Sony Action Cam FDR-X3000
Samsung Gear 360
CMOS image sensors are slowly replacing CCD sensors, due to reduced power consumption and better image quality. They can be very compact and cost relatively little to produce.
A microphone port allows connecting external high-end or specialized microphones.
More microphones result in better sound quality and enable the device to filter out background noise.
The battery is removable and can be replaced by the user if broken.
Sony PMW-F55 CineAlta
The device has a standard memory slot (such as an SD or micro SD card slot) so that you can either extend the internal storage with affordable memory modules or you can retrieve data, such as photographs, easily from a memory card.
The battery can be recharged and used over again.
GPS enables global positioning, useful in map, geo-tagging or navigation apps.
Devices with a HDMI or mini HDMI port can transfer high definition video and audio to a display.
The device can connect to WiFi.
A remote control allows you to control the device remotely. The remote control can be included or optional.
The device automatically syncs your data when in range of your computer or smartphone.
Newer USB versions are faster and have better power management.
GoPro Hero (2018)
An indicator shows you when the device has low battery.