Basic Info |
Suggested Price | $245 | $299 | $99.99 | $349 | $429 |
Release | 2016 | 2017 | 2018 | 2015 | 2021 |
Activity & Fitness |
Calories | | | | | |
Cycling (Bicycling) | n/a | | | | |
Distance | | | | | |
Heart | n/a | | | | |
Oxygen | n/a | | | | |
Sleep | | | | | |
Steps | | | | | |
Swim | n/a | | | | |
Battery |
Duration | 6 months | 24 hours (5 hrs w GPS and heart rate) | 30 days | 18 hours | 18 Hours |
Rechargeable | | | | | |
Compatibility |
Android | | | | | |
iOS | | | | | |
Windows Phone | n/a | | | NA | |
Mac | n/a | | | NA | |
Windows | n/a | | | NA | |
Connectivity |
Bluetooth | | | | | |
Cellular | n/a | | | | |
GPS | n/a | | | | |
NFC | n/a | | | | |
Wi-Fi | n/a | | | | |
Display |
Color | n/a | | | | |
Resolution | n/a | 400 x 400 | 176 x 176 | 340 x 272 or 390 x 312 | 396 x 484 |
Size | n/a | 1.39 inches | 1.28 inches | 1.5 inches or 1.65 inches | 1.9 inches |
Touch | n/a | | | | |
Type | n/a | AMOLED | NA | AMOLED | MicroLED |
Functions |
Audio Speaker | n/a | | | | |
Clock | | | | | |
Phone | | | | | |
Vibration | | | | | |
Voice | n/a | | | | |
Hardware |
Accelerometer | n/a | | | | |
Barometer or Altimeter | n/a | | | | |
Ultraviolet Sensor | n/a | | | | |
Water Resistance | 10 ATM | 5 ATM | IP68 | IPX7 | water resistant but not waterproof |
Notifications |
Phone | | | | | |
Emails | | | | | |
Texts | | | | | |
Software |
Operating System | n/a | Android Wear 1.5 | | Watch OS | WatchOS 8 |
Apps | n/a | | | | |
Music | | | | | |