Motorola Moto 360 (2nd Gen) vs. Polar M400 vs. Fitbit Charge 3 vs. Garmin Vivosmart HR Plus vs. Amazfit T-Rex
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| MotorolaMoto 360 (2nd Gen)Remove Buy Now | PolarM400Remove Buy Now | FitbitCharge 3Remove Buy Now | GarminVivosmart HR PlusRemove Buy Now | AmazfitT-RexRemove Buy Now |
Basic Info | |||||
| Suggested Price | $300 | $200 | $150 | $179 | $140 |
| Release | 2015 | 2014 | 2018 | 2017 | 2019 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 1.5 days | 8 hours to 30 days | 7 days | 5 days | 20 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | n/a | |||
| Mac | n/a | ||||
| Windows | n/a | Not yet | |||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | NA | ||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | 360 x 325 or 360 x 330 | n/a | 66 x 18 | 160 x 68 | 360 x 360 |
| Size | 1.37 inches or 1.56 inches | n/a | .721 inches | 0.5 inches x 0.8 inches | 1.3 inches |
| Touch | |||||
| Type | LCD | n/a | OLED | LCD | AMOLED |
Functions | |||||
| Audio Speaker | Bluetooth | Alerts only | |||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | IP67 | 3 ATM | 5 ATM | 5 ATM | 5 ATM |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | Android Wear | n/a | NA | NA | Build-in |
| Apps | |||||
| Music | n/a | ||||