Garmin 645 Music vs. Garmin Chronos vs. Garmin Vivofit 4 vs. Jaybird Reign
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| Garmin645 MusicRemove Buy Now | GarminChronosRemove Buy Now | GarminVivofit 4Remove Buy Now | JaybirdReignRemove Buy Now |
Basic Info | ||||
| Suggested Price | $450 | $1500 | $79.95 | $150 |
| Release | 2018 | 2018 | 2018 | 2015 |
Activity & Fitness | ||||
| Calories | ||||
| Cycling (Bicycling) | ||||
| Distance | ||||
| Heart | ||||
| Oxygen | ||||
| Sleep | ||||
| Steps | ||||
| Swim | ||||
Battery | ||||
| Duration | 7 days | 8 days | 1 year | 5 days |
| Rechargeable | ||||
Compatibility | ||||
| Android | ||||
| iOS | ||||
| Windows Phone | NA | |||
| Mac | NA | |||
| Windows | NA | |||
Connectivity | ||||
| Bluetooth | ||||
| Cellular | ||||
| GPS | ||||
| NFC | ||||
| Wi-Fi | ||||
Display | ||||
| Color | ||||
| Resolution | 240 x 240 | 218 x 218 | 88 x 88 | NA |
| Size | 1.2 inches | 1.2 inches | NA | NA |
| Touch | NA | |||
| Type | MIP | MIP | NA | LED |
Functions | ||||
| Audio Speaker | ||||
| Clock | ||||
| Phone | ||||
| Vibration | ||||
| Voice | ||||
Hardware | ||||
| Accelerometer | ||||
| Barometer or Altimeter | ||||
| Ultraviolet Sensor | ||||
| Water Resistance | 5 ATM | 10 ATM | 5 ATM | NA |
Notifications | ||||
| Phone | ||||
| Emails | ||||
| Texts | ||||
Software | ||||
| Operating System | Wear OS | NA | ||
| Apps | ||||
| Music | ||||