Polar M400 vs. Garmin Vivosmart HR vs. Samsung Gear Fit2 Pro vs. Huawei Band 3 Pro vs. Garmin VivoActive 4
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| PolarM400Remove Buy Now | GarminVivosmart HRRemove Buy Now | SamsungGear Fit2 ProRemove Buy Now | HuaweiBand 3 ProRemove Buy Now | GarminVivoActive 4Remove Buy Now |
Basic Info | |||||
| Suggested Price | $200 | $170 | $199.99 | $70 | $349 |
| Release | 2014 | 2015 | 2017 | 2018 | 2019 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 8 hours to 30 days | 5 days | 2 days | 12 days | 8 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 | n/a | 160 x 68 | 216 x 432 | 454 x 454 | 260 x 260 |
| Size | n/a | 1.08 inches | 1.5 inches | 1.39 inches | 1.3ionches |
| Touch | |||||
| Type | n/a | n/a | AMOLED | AMOLED | MIP |
Functions | |||||
| Audio Speaker | Alerts only | ||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 3 ATM | 5 ATM | 5 ATM | IP68 | 5 ATM |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | n/a | n/a | Tizen OS | AMAZFIT OS | Wear OS |
| Apps | |||||
| Music | |||||