Garmin Vivofit 4 vs. Garmin Vivosmart HR Plus vs. Polar Loop vs. Amazfit T-Rex
 | | | | |
| GarminVivofit 4Remove Buy Now | GarminVivosmart HR PlusRemove Buy Now | PolarLoopRemove Buy Now | AmazfitT-RexRemove Buy Now |
Basic Info | ||||
| Suggested Price | $79.95 | $179 | $100 | $140 |
| Release | 2018 | 2017 | 2013 | 2019 |
Activity & Fitness | ||||
| Calories | ||||
| Cycling (Bicycling) | ||||
| Distance | ||||
| Heart | ||||
| Oxygen | ||||
| Sleep | ||||
| Steps | ||||
| Swim | ||||
Battery | ||||
| Duration | 1 year | 5 days | 5 days | 20 days |
| Rechargeable | ||||
Compatibility | ||||
| Android | ||||
| iOS | ||||
| Windows Phone | NA | |||
| Mac | NA | |||
| Windows | NA | |||
Connectivity | ||||
| Bluetooth | ||||
| Cellular | ||||
| GPS | ||||
| NFC | ||||
| Wi-Fi | ||||
Display | ||||
| Color | ||||
| Resolution | 88 x 88 | 160 x 68 | NA | 360 x 360 |
| Size | NA | 0.5 inches x 0.8 inches | NA | 1.3 inches |
| Touch | ||||
| Type | NA | LCD | LED | AMOLED |
Functions | ||||
| Audio Speaker | ||||
| Clock | ||||
| Phone | ||||
| Vibration | ||||
| Voice | ||||
Hardware | ||||
| Accelerometer | ||||
| Barometer or Altimeter | ||||
| Ultraviolet Sensor | ||||
| Water Resistance | 5 ATM | 5 ATM | 2 ATM | 5 ATM |
Notifications | ||||
| Phone | ||||
| Emails | ||||
| Texts | ||||
Software | ||||
| Operating System | NA | NA | Build-in | |
| Apps | ||||
| Music | ||||