Apple Watch Series 2 vs. Casio WSD-F20A vs. Diesel On Full Guard vs. Fitbit Charge HR vs. Apple Watch Ultra
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| AppleWatch Series 2Remove Buy Now | CasioWSD-F20ARemove Buy Now | DieselOn Full GuardRemove Buy Now | FitbitCharge HRRemove Buy Now | AppleWatch UltraRemove Buy Now |
Basic Info | |||||
| Suggested Price | $269 | $399 | $325 | $150 | $799 |
| Release | 2016 | 2018 | 2017 | 2015 | 2022 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 18 hours | 1 day | 1 day | 5 days | 36 hrs |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | NA | ||||
| Mac | |||||
| Windows | |||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | 340 x 272 or 390 x 312 | 320 x 320 | 454 x 454 | NA | 502x410 pixels |
| Size | 1.5 inches or 1.65 inches | 1.32 inches | 1.4 inches | NA | 1.92 inches |
| Touch | NA | ||||
| Type | AMOLED | LCD | OMOLED | OLED | |
Functions | |||||
| Audio Speaker | |||||
| Clock | LTPO OLED Retina | ||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 5ATM | 5 ATM | IP67 | 1 ATM | 10 ATM (100 Meters) |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | Watch OS | Wear OS | Android Wear 2.0 | NA | WatchOS 9 |
| Apps | |||||
| Music | |||||