TomTom Spark vs. Casio WSD-F20A vs. Samsung Gear 2 vs. Samsung Gear Sport vs. Amazfit GTR
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| TomTomSparkRemove Buy Now | CasioWSD-F20ARemove Buy Now | SamsungGear 2Remove Buy Now | SamsungGear SportRemove Buy Now | AmazfitGTRRemove Buy Now |
Basic Info | |||||
| Suggested Price | $150 | $399 | $300 | $299.99 | $199 |
| Release | 2015 | 2018 | 2014 | 2017 | 2019 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | |||||
| Steps | NA | ||||
| Swim | |||||
Battery | |||||
| Duration | n/a | 1 day | 2-3 days | 2 days | 24 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | NA | |||
| Mac | NA | ||||
| Windows | NA | ||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | n/a | ||||
| Resolution | n/a | 320 x 320 | 320 x 320 | 360 x 360 | 454 x 454 |
| Size | n/a | 1.32 inches | 1.63 inches | 1.2 inches | 1.39 inches |
| Touch | |||||
| Type | LCD | LCD | Super AMOLED | Super AMOLED | AMOLED |
Functions | |||||
| Audio Speaker | Bluetooth | Bluetooth | |||
| Clock | |||||
| Phone | n/a | ||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 5 ATM | 5 ATM | IP67 | 5 ATM | 5 ATM |
Notifications | |||||
| Phone | n/a | ||||
| Emails | n/a | ||||
| Texts | n/a | ||||
Software | |||||
| Operating System | n/a | Wear OS | Tizen OS | Tizen OS | Build-in |
| Apps | |||||
| Music | |||||