Samsung Gear S2 vs. TomTom Spark vs. Garmin 645 Music vs. Fitbit Alta HR
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| SamsungGear S2Remove Buy Now | TomTomSparkRemove Buy Now | Garmin645 MusicRemove Buy Now | FitbitAlta HRRemove Buy Now |
Basic Info | ||||
| Suggested Price | $300 | $150 | $450 | $150 |
| Release | 2015 | 2015 | 2018 | 2017 |
Activity & Fitness | ||||
| Calories | ||||
| Cycling (Bicycling) | ||||
| Distance | ||||
| Heart | n/a | |||
| Oxygen | ||||
| Sleep | ||||
| Steps | ||||
| Swim | ||||
Battery | ||||
| Duration | 2-3 days | n/a | 7 days | 7 days |
| Rechargeable | ||||
Compatibility | ||||
| Android | ||||
| iOS | ||||
| Windows Phone | n/a | n/a | ||
| Mac | n/a | |||
| Windows | n/a | |||
Connectivity | ||||
| Bluetooth | ||||
| Cellular | n/a | |||
| GPS | n/a | |||
| NFC | ||||
| Wi-Fi | ||||
Display | ||||
| Color | n/a | |||
| Resolution | 360 x 360 | n/a | 240 x 240 | 128 x 36 |
| Size | 1.2 inches | n/a | 1.2 inches | 1.4 inches |
| Touch | ||||
| Type | Super AMOLED | LCD | MIP | OLED |
Functions | ||||
| Audio Speaker | Bluetooth | |||
| Clock | ||||
| Phone | n/a | |||
| Vibration | ||||
| Voice | ||||
Hardware | ||||
| Accelerometer | ||||
| Barometer or Altimeter | ||||
| Ultraviolet Sensor | ||||
| Water Resistance | IP68 | 5 ATM | 5 ATM | |
Notifications | ||||
| Phone | n/a | |||
| Emails | n/a | |||
| Texts | n/a | |||
Software | ||||
| Operating System | Tizen | n/a | ||
| Apps | ||||
| Music | ||||