Olio Model One vs. Casio WSD-F20A vs. Polar Loop vs. Amazfit GTR vs. Amazfit T-Rex
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| OlioModel OneRemove Buy Now | CasioWSD-F20ARemove Buy Now | PolarLoopRemove Buy Now | AmazfitGTRRemove Buy Now | AmazfitT-RexRemove Buy Now |
Basic Info | |||||
| Suggested Price | $595 | $399 | $100 | $199 | $140 |
| Release | 2015 | 2018 | 2013 | 2019 | 2019 |
Activity & Fitness | |||||
| Calories | n/a | ||||
| Cycling (Bicycling) | n/a | ||||
| Distance | n/a | ||||
| Heart | n/a | ||||
| Oxygen | n/a | ||||
| Sleep | n/a | ||||
| Steps | n/a | ||||
| Swim | n/a | ||||
Battery | |||||
| Duration | 2 days | 1 day | 5 days | 24 days | 20 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | NA | |||
| Mac | n/a | NA | |||
| Windows | n/a | NA | |||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | n/a | ||||
| NFC | n/a | ||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | n/a | 320 x 320 | NA | 454 x 454 | 360 x 360 |
| Size | n/a | 1.32 inches | NA | 1.39 inches | 1.3 inches |
| Touch | |||||
| Type | n/a | LCD | LED | AMOLED | AMOLED |
Functions | |||||
| Audio Speaker | n/a | ||||
| Clock | |||||
| Phone | n/a | ||||
| Vibration | n/a | ||||
| Voice | |||||
Hardware | |||||
| Accelerometer | n/a | ||||
| Barometer or Altimeter | n/a | ||||
| Ultraviolet Sensor | |||||
| Water Resistance | 5 ATM | 5 ATM | 2 ATM | 5 ATM | 5 ATM |
Notifications | |||||
| Phone | n/a | ||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | n/a | Wear OS | NA | Build-in | Build-in |
| Apps | n/a | ||||
| Music | |||||