Polar M600 vs. Withings Steel HR vs. Garmin 645 Music vs. Garmin Vivofit 4 vs. Garmin Vivosmart HR Plus
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| PolarM600Remove Buy Now | WithingsSteel HRRemove Buy Now | Garmin645 MusicRemove Buy Now | GarminVivofit 4Remove Buy Now | GarminVivosmart HR PlusRemove Buy Now |
Basic Info | |||||
| Suggested Price | $330 | $180 | $450 | $79.95 | $179 |
| Release | 2016 | 2016 | 2018 | 2018 | 2017 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 2 days | 25 days | 7 days | 1 year | 5 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | n/a | |||
| Mac | n/a | ||||
| Windows | n/a | ||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | 240 x 240 | n/a | 240 x 240 | 88 x 88 | 160 x 68 |
| Size | 1.3 inches | n/a | 1.2 inches | NA | 0.5 inches x 0.8 inches |
| Touch | n/a | ||||
| Type | TFT | n/a | MIP | NA | LCD |
Functions | |||||
| Audio Speaker | Alerts only | ||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | IPX8 | 5 ATM | 5 ATM | 5 ATM | 5 ATM |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | Android Wear | n/a | NA | ||
| Apps | |||||
| Music | |||||