Fitbit Charge 2 vs. Apple Watch Series 2 vs. Amazfit Bip vs. Garmin 645 Music vs. HTC re Grip
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| FitbitCharge 2Remove Buy Now | AppleWatch Series 2Remove Buy Now | AmazfitBipRemove Buy Now | Garmin645 MusicRemove Buy Now | HTCre GripRemove Buy Now |
Basic Info | |||||
| Suggested Price | $150 | $269 | $99.99 | $450 | $199 |
| Release | 2016 | 2016 | 2018 | 2018 | 2020 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 5 days | 18 hours | 30 days | 7 days | 5 hours to 2.5 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | NA | ||||
| Mac | NA | ||||
| Windows | NA | ||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | n/a | 340 x 272 or 390 x 312 | 176 x 176 | 240 x 240 | 160 x 32 |
| Size | n/a | 1.5 inches or 1.65 inches | 1.28 inches | 1.2 inches | 1.8 inches |
| Touch | n/a | ||||
| Type | OLED | AMOLED | NA | MIP | PMOLED |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | n/a | 5ATM | IP68 | 5 ATM | IP57 |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | n/a | Watch OS | NA | ||
| Apps | |||||
| Music | |||||