Apple Watch Series 2 vs. Apple Watch vs. Casio WSD-F20A vs. Fitbit Alta HR vs. Garmin Vivofit 4
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| AppleWatch Series 2Remove Buy Now | AppleWatchRemove Buy Now | CasioWSD-F20ARemove Buy Now | FitbitAlta HRRemove Buy Now | GarminVivofit 4Remove Buy Now |
Basic Info | |||||
| Suggested Price | $269 | $349 | $399 | $150 | $79.95 |
| Release | 2016 | 2015 | 2018 | 2017 | 2018 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 18 hours | 18 hours | 1 day | 7 days | 1 year |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | NA | ||||
| Mac | NA | ||||
| Windows | NA | ||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | 340 x 272 or 390 x 312 | 340 x 272 or 390 x 312 | 320 x 320 | 128 x 36 | 88 x 88 |
| Size | 1.5 inches or 1.65 inches | 1.5 inches or 1.65 inches | 1.32 inches | 1.4 inches | NA |
| Touch | |||||
| Type | AMOLED | AMOLED | LCD | OLED | NA |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 5ATM | IPX7 | 5 ATM | 5 ATM | |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | Watch OS | Watch OS | Wear OS | ||
| Apps | |||||
| Music | |||||