Fitbit Flex 2 vs. Amazfit Bip vs. Fitbit Charge vs. Apple Watch Series 4 vs. Diesel On Full Guard 2.5
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| FitbitFlex 2Remove Buy Now | AmazfitBipRemove Buy Now | FitbitChargeRemove Buy Now | AppleWatch Series 4Remove Buy Now | DieselOn Full Guard 2.5Remove Buy Now |
Basic Info | |||||
| Suggested Price | $100 | $99.99 | $130 | $329 | $325 |
| Release | 2016 | 2018 | 2014 | 2018 | 2018 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 5 days | 30 days | 7-10 days | Not Yet | 4 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | NA | |||
| Mac | |||||
| Windows | |||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | n/a | ||||
| Resolution | n/a | 176 x 176 | NA | 384 x 480 | 454x454 |
| Size | n/a | 1.28 inches | NA | 1.78 inches | 1.39 inches |
| Touch | n/a | NA | |||
| Type | LED | NA | OLED | MicroLED | |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 5 ATM | IP68 | 1 ATM | Not Yet | 3 ATM |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | n/a | NA | Watch OS 5 | Wear OS | |
| Apps | |||||
| Music | |||||