TomTom Spark vs. Pebble Time 2 vs. Garmin Vivofit 4 vs. Polar Loop vs. Amazfit GTR
 | | | | | |
| TomTomSparkRemove Buy Now | PebbleTime 2Remove Buy Now | GarminVivofit 4Remove Buy Now | PolarLoopRemove Buy Now | AmazfitGTRRemove Buy Now |
Basic Info | |||||
| Suggested Price | $150 | $199 | $79.95 | $100 | $199 |
| Release | 2015 | 2016 | 2018 | 2013 | 2019 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | n/a | 10 days | 1 year | 5 days | 24 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | NA | NA | ||
| Mac | NA | NA | |||
| Windows | NA | NA | |||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | n/a | ||||
| Resolution | n/a | NA | 88 x 88 | NA | 454 x 454 |
| Size | n/a | NA | NA | NA | 1.39 inches |
| Touch | |||||
| Type | LCD | e-paper | NA | LED | AMOLED |
Functions | |||||
| Audio Speaker | Bluetooth | ||||
| Clock | |||||
| Phone | n/a | ||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 5 ATM | 3 ATM | 5 ATM | 2 ATM | 5 ATM |
Notifications | |||||
| Phone | n/a | ||||
| Emails | n/a | ||||
| Texts | n/a | ||||
Software | |||||
| Operating System | n/a | Pebble OS | NA | Build-in | |
| Apps | |||||
| Music | |||||