Casio WSD-F20A vs. Fitbit Charge 3 vs. Garmin Vivosmart 3 vs. Amazfit Verge vs. Apple Series 6
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| CasioWSD-F20ARemove Buy Now | FitbitCharge 3Remove Buy Now | GarminVivosmart 3Remove Buy Now | AmazfitVergeRemove Buy Now | AppleSeries 6Remove Buy Now |
Basic Info | |||||
| Suggested Price | $399 | $150 | $139.99 | $160 | $399 |
| Release | 2018 | 2018 | 2017 | 2019 | 2020 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 1 day | 7 days | 5 days | 5 days | Not yet |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | |||||
| Mac | |||||
| Windows | Not yet | ||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | NA | ||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | 320 x 320 | 66 x 18 | 64 x 128 | 454x454 | 384 x 480 |
| Size | 1.32 inches | .721 inches | NA | 1.39 inches | 40mm |
| Touch | |||||
| Type | LCD | OLED | OLED | OMOLED | MicroLED |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | 5 ATM | ||||
| Water Resistance | 5 ATM | 5 ATM | 5 ATM | IP68 | |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | Wear OS | NA | AMAZFIT OS | WatchOS 5 | |
| Apps | |||||
| Music | |||||