Fitbit Alta vs. Fitbit Flex 2 vs. Garmin 645 Music vs. Amazfit GTR vs. Garmin Venu
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| FitbitAltaRemove Buy Now | FitbitFlex 2Remove Buy Now | Garmin645 MusicRemove Buy Now | AmazfitGTRRemove Buy Now | GarminVenuRemove Buy Now |
Basic Info | |||||
| Suggested Price | $130 | $100 | $450 | $199 | $299 |
| Release | 2016 | 2016 | 2018 | 2019 | 2019 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 5 days | 5 days | 7 days | 24 days | 5 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 | n/a | 240 x 240 | 454 x 454 | 390 x 390 |
| Size | n/a | n/a | 1.2 inches | 1.39 inches | 1.2 inches |
| Touch | n/a | n/a | |||
| Type | OLED | LED | MIP | AMOLED | AMOLED |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | n/a | 5 ATM | 5 ATM | 5 ATM | 5 ATM |
Notifications | |||||
| Phone | |||||
| Emails | n/a | ||||
| Texts | |||||
Software | |||||
| Operating System | n/a | n/a | Build-in | Wear OS | |
| Apps | |||||
| Music | |||||