Polar M400 vs. Garmin 645 Music vs. Garmin Vivoactive 3 vs. Garmin Vivofit 4 vs. Misfit Flare
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| PolarM400Remove Buy Now | Garmin645 MusicRemove Buy Now | GarminVivoactive 3Remove Buy Now | GarminVivofit 4Remove Buy Now | MisfitFlareRemove Buy Now |
Basic Info | |||||
| Suggested Price | $200 | $450 | $299 | $79.95 | $59.95 |
| Release | 2014 | 2018 | 2017 | 2018 | 2017 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 8 hours to 30 days | 7 days | 7 days | 1 year | 4 months |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | ||||
| Mac | |||||
| Windows | |||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | n/a | 240 x 240 | 240 x 240 | 88 x 88 | NA |
| Size | n/a | 1.2 inches | 1.2 inches | NA | NA |
| Touch | |||||
| Type | n/a | MIP | MIP | NA | LED |
Functions | |||||
| Audio Speaker | Alerts only | ||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 3 ATM | 5 ATM | 5 ATM | 5 ATM | 5 ATM |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | n/a | ||||
| Apps | |||||
| Music | |||||