Garmin Fenix 3 vs. Garmin Vivosmart HR vs. Amazfit Stratos vs. Garmin 645 Music vs. Fitbit Charge 3
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| GarminFenix 3Remove Buy Now | GarminVivosmart HRRemove Buy Now | AmazfitStratosRemove Buy Now | Garmin645 MusicRemove Buy Now | FitbitCharge 3Remove Buy Now |
Basic Info | |||||
| Suggested Price | $500 | $170 | $199 | $450 | $150 |
| Release | 2015 | 2015 | 2018 | 2018 | 2018 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 50 hours to 6 weeks | 5 days | 5 days | 7 days | 7 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | n/a | |||
| Mac | n/a | n/a | |||
| Windows | n/a | n/a | Not yet | ||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | NA | ||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | 218 x 218 | 160 x 68 | 320 x 300 | 240 x 240 | 66 x 18 |
| Size | 1.2 inches | 1.08 inches | 1.34 inches | 1.2 inches | .721 inches |
| Touch | |||||
| Type | Chroma LED | n/a | OLED | MIP | OLED |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 10 ATM | 5 ATM | 5 ATM | 5 ATM | 5 ATM |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | n/a | n/a | Proprietary | NA | |
| Apps | |||||
| Music | |||||