Fitbit Flex 2 vs. Asus VivoWatch vs. Samsung Gear Sport vs. Garmin Forerunner 45 vs. Amazfit GTS
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| FitbitFlex 2Remove Buy Now | AsusVivoWatchRemove Buy Now | SamsungGear SportRemove Buy Now | GarminForerunner 45Remove Buy Now | AmazfitGTSRemove Buy Now |
Basic Info | |||||
| Suggested Price | $100 | $160 | $299.99 | $199 | $150 |
| Release | 2016 | 2018 | 2017 | 2019 | 2019 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 5 days | 24 hours to 10 days | 2 days | 7 days | 14 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | NA | |||
| Mac | NA | ||||
| Windows | NA | ||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | n/a | ||||
| Resolution | n/a | 128 x 128 | 360 x 360 | 208 x 208 | 348 x 442 |
| Size | n/a | NA | 1.2 inches | 1.04 inches | 1.65 inches |
| Touch | n/a | ||||
| Type | LED | NA | Super AMOLED | LCD | AMOLED |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | NA | ||||
| Ultraviolet Sensor | |||||
| Water Resistance | 5 ATM | IP67 | 5 ATM | 5 ATM | 5 ATM |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | n/a | KoodOS | Tizen OS | Built-in | Wear OS |
| Apps | |||||
| Music | |||||