Fitbit Flex 2 vs. Fitbit Alta HR vs. Diesel On Full Guard 2.5 vs. Fitbit Versa 2 vs. Garmin Forerunner 45
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| FitbitFlex 2Remove Buy Now | FitbitAlta HRRemove Buy Now | DieselOn Full Guard 2.5Remove Buy Now | FitbitVersa 2Remove Buy Now | GarminForerunner 45Remove Buy Now |
Basic Info | |||||
| Suggested Price | $100 | $150 | $325 | $199 | $199 |
| Release | 2016 | 2017 | 2018 | 2019 | 2019 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 5 days | 7 days | 4 days | 5 days | 7 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | ||||
| Mac | |||||
| Windows | |||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | n/a | ||||
| Resolution | n/a | 128 x 36 | 454x454 | 300 x 300 | 208 x 208 |
| Size | n/a | 1.4 inches | 1.39 inches | 1.34 inches | 1.04 inches |
| Touch | n/a | ||||
| Type | LED | OLED | AMOLED | LCD | |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 5 ATM | 3 ATM | 5 ATM | 5 ATM | |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | n/a | Wear OS | Build-in | Built-in | |
| Apps | |||||
| Music | |||||