Fitbit Charge 2 vs. Apple Watch Series 2 vs. Amazfit Stratos vs. Acer Liquid Leap vs. Casio WSD-F20A
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| FitbitCharge 2Remove Buy Now | AppleWatch Series 2Remove Buy Now | AmazfitStratosRemove Buy Now | AcerLiquid LeapRemove Buy Now | CasioWSD-F20ARemove Buy Now |
Basic Info | |||||
| Suggested Price | $150 | $269 | $199 | $90 | $399 |
| Release | 2016 | 2016 | 2018 | 2015 | 2018 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 5 days | 18 hours | 5 days | 5 to 7 days | 1 day |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | |||||
| Mac | |||||
| Windows | |||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | n/a | 340 x 272 or 390 x 312 | 320 x 300 | 128 x 32 | 320 x 320 |
| Size | n/a | 1.5 inches or 1.65 inches | 1.34 inches | 1 inch | 1.32 inches |
| Touch | n/a | ||||
| Type | OLED | AMOLED | OLED | OLED | LCD |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | n/a | 5ATM | 5 ATM | IPX4 | 5 ATM |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | n/a | Watch OS | Proprietary | Wear OS | |
| Apps | |||||
| Music | |||||