Amazfit Stratos vs. Amazfit Arc vs. Asus VivoWatch vs. Casio WSD-F20A vs. Apple Watch Series 4
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| AmazfitStratosRemove Buy Now | AmazfitArcRemove Buy Now | AsusVivoWatchRemove Buy Now | CasioWSD-F20ARemove Buy Now | AppleWatch Series 4Remove Buy Now |
Basic Info | |||||
| Suggested Price | $199 | $69.99 | $160 | $399 | $329 |
| Release | 2018 | 2016 | 2018 | 2018 | 2018 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 5 days | 20 days | 24 hours to 10 days | 1 day | Not Yet |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | NA | ||||
| Mac | NA | ||||
| Windows | NA | ||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | 320 x 300 | 72 x40 | 128 x 128 | 320 x 320 | 384 x 480 |
| Size | 1.34 inches | 0.42 inches | NA | 1.32 inches | 1.78 inches |
| Touch | |||||
| Type | OLED | OLED | NA | LCD | MicroLED |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | NA | ||||
| Ultraviolet Sensor | |||||
| Water Resistance | 5 ATM | IP67 | IP67 | 5 ATM | Not Yet |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | Proprietary | KoodOS | Wear OS | Watch OS 5 | |
| Apps | |||||
| Music | |||||