Garmin 645 Music vs. Garmin Vivosport vs. Amazfit GTR vs. Garmin VivoActive 4
Garmin645 MusicRemove Buy Now | GarminVivosportRemove Buy Now | AmazfitGTRRemove Buy Now | GarminVivoActive 4Remove Buy Now |
Basic Info | ||||
Suggested Price | $450 | $199 | $199 | $349 |
Release | 2018 | 2017 | 2019 | 2019 |
Activity & Fitness | ||||
Calories | ||||
Cycling (Bicycling) | ||||
Distance | ||||
Heart | ||||
Oxygen | ||||
Sleep | ||||
Steps | ||||
Swim | ||||
Battery | ||||
Duration | 7 days | 7 days | 24 days | 8 days |
Rechargeable | ||||
Compatibility | ||||
Android | ||||
iOS | ||||
Windows Phone | ||||
Mac | ||||
Windows | ||||
Connectivity | ||||
Bluetooth | ||||
Cellular | ||||
GPS | ||||
NFC | ||||
Wi-Fi | ||||
Display | ||||
Color | ||||
Resolution | 240 x 240 | 72 x 144 | 454 x 454 | 260 x 260 |
Size | 1.2 inches | NA | 1.39 inches | 1.3ionches |
Touch | ||||
Type | MIP | MIP | AMOLED | MIP |
Functions | ||||
Audio Speaker | ||||
Clock | ||||
Phone | ||||
Vibration | ||||
Voice | ||||
Hardware | ||||
Accelerometer | ||||
Barometer or Altimeter | ||||
Ultraviolet Sensor | ||||
Water Resistance | 5 ATM | 5 ATM | 5 ATM | 5 ATM |
Notifications | ||||
Phone | ||||
Emails | ||||
Texts | ||||
Software | ||||
Operating System | Build-in | Wear OS | ||
Apps | ||||
Music |