Garmin 645 Music vs. Samsung Galaxy Watch vs. Fitbit Charge HR vs. Jaybird Reign vs. Polar A370
 | | | | | |
| Garmin645 MusicRemove Buy Now | SamsungGalaxy WatchRemove Buy Now | FitbitCharge HRRemove Buy Now | JaybirdReignRemove Buy Now | PolarA370Remove Buy Now |
Basic Info | |||||
| Suggested Price | $450 | $330 | $150 | $150 | $179.95 |
| Release | 2018 | 2018 | 2015 | 2015 | 2017 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 7 days | 7 days | 5 days | 5 days | Up to 3 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | NA | NA | |||
| Mac | NA | ||||
| Windows | NA | ||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | NA | ||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | 240 x 240 | 360 x 360 | NA | NA | 160 x 80 |
| Size | 1.2 inches | 1.2 inches or 1.3 inches | NA | NA | 1.18 inches |
| Touch | NA | NA | |||
| Type | MIP | AMOLED | OLED | LED | TFT LCD |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 5 ATM | 5 ATM | 1 ATM | NA | WR30 |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | Tizen OS | NA | NA | ||
| Apps | |||||
| Music | Spotify | ||||