Casio WSD-F10 vs. Amazfit Stratos vs. Casio WSD-F20A vs. Fitbit Charge 3 vs. Apple Watch Ultra
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| CasioWSD-F10Remove Buy Now | AmazfitStratosRemove Buy Now | CasioWSD-F20ARemove Buy Now | FitbitCharge 3Remove Buy Now | AppleWatch UltraRemove Buy Now |
Basic Info | |||||
| Suggested Price | $500 | $199 | $399 | $150 | $799 |
| Release | 2016 | 2018 | 2018 | 2018 | 2022 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | n/a | ||||
| Sleep | n/a | ||||
| Steps | |||||
| Swim | n/a | ||||
Battery | |||||
| Duration | n/a | 5 days | 1 day | 7 days | 36 hrs |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | n/a | ||||
| Windows Phone | n/a | ||||
| Mac | n/a | ||||
| Windows | n/a | Not yet | |||
Connectivity | |||||
| Bluetooth | n/a | ||||
| Cellular | n/a | ||||
| GPS | |||||
| NFC | n/a | NA | |||
| Wi-Fi | n/a | ||||
Display | |||||
| Color | |||||
| Resolution | n/a | 320 x 300 | 320 x 320 | 66 x 18 | 502x410 pixels |
| Size | n/a | 1.34 inches | 1.32 inches | .721 inches | 1.92 inches |
| Touch | n/a | ||||
| Type | LCD | OLED | LCD | OLED | |
Functions | |||||
| Audio Speaker | n/a | ||||
| Clock | LTPO OLED Retina | ||||
| Phone | n/a | ||||
| Vibration | |||||
| Voice | n/a | ||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 5 ATM | 5 ATM | 5 ATM | 5 ATM | 10 ATM (100 Meters) |
Notifications | |||||
| Phone | n/a | ||||
| Emails | n/a | ||||
| Texts | n/a | ||||
Software | |||||
| Operating System | Android Wear | Proprietary | Wear OS | NA | WatchOS 9 |
| Apps | n/a | ||||
| Music | n/a | ||||