Amazfit Stratos vs. Asus VivoWatch vs. Fitbit Charge HR vs. Garmin Vivosmart 4
 | | | | |
| AmazfitStratosRemove Buy Now | AsusVivoWatchRemove Buy Now | FitbitCharge HRRemove Buy Now | GarminVivosmart 4Remove Buy Now |
Basic Info | ||||
| Suggested Price | $199 | $160 | $150 | $130 |
| Release | 2018 | 2018 | 2015 | 2018 |
Activity & Fitness | ||||
| Calories | ||||
| Cycling (Bicycling) | ||||
| Distance | ||||
| Heart | ||||
| Oxygen | ||||
| Sleep | ||||
| Steps | ||||
| Swim | ||||
Battery | ||||
| Duration | 5 days | 24 hours to 10 days | 5 days | 7 days |
| Rechargeable | ||||
Compatibility | ||||
| Android | ||||
| iOS | ||||
| Windows Phone | NA | NA | ||
| Mac | NA | |||
| Windows | NA | |||
Connectivity | ||||
| Bluetooth | ||||
| Cellular | ||||
| GPS | ||||
| NFC | ||||
| Wi-Fi | ||||
Display | ||||
| Color | ||||
| Resolution | 320 x 300 | 128 x 128 | NA | 48 x 128 |
| Size | 1.34 inches | NA | NA | 0.74 inches |
| Touch | NA | |||
| Type | OLED | NA | OLED | OLED |
Functions | ||||
| Audio Speaker | ||||
| Clock | ||||
| Phone | ||||
| Vibration | ||||
| Voice | ||||
Hardware | ||||
| Accelerometer | ||||
| Barometer or Altimeter | NA | |||
| Ultraviolet Sensor | ||||
| Water Resistance | 5 ATM | IP67 | 1 ATM | 5 ATM |
Notifications | ||||
| Phone | ||||
| Emails | ||||
| Texts | ||||
Software | ||||
| Operating System | Proprietary | KoodOS | NA | |
| Apps | ||||
| Music | ||||