Samsung Gear S2 vs. Fitbit Ionic vs. Polar M430 vs. Amazfit Stratos vs. Garmin 645 Music
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| SamsungGear S2Remove Buy Now | FitbitIonicRemove Buy Now | PolarM430Remove Buy Now | AmazfitStratosRemove Buy Now | Garmin645 MusicRemove Buy Now |
Basic Info | |||||
| Suggested Price | $300 | $299 | $255 | $199 | $450 |
| Release | 2015 | 2017 | 2017 | 2018 | 2018 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 2-3 days | 4+ days | 30 hours | 5 days | 7 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | ||||
| Mac | n/a | ||||
| Windows | n/a | ||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | n/a | ||||
| GPS | n/a | ||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | 360 x 360 | 348x250 | 128x128 | 320 x 300 | 240 x 240 |
| Size | 1.2 inches | 1.42 | 1.4 inch | 1.34 inches | 1.2 inches |
| Touch | |||||
| Type | Super AMOLED | OLED | LCD | OLED | MIP |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | IP68 | 50m | WR30 | 5 ATM | 5 ATM |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | Tizen | Fitbit OS | Proprietary | ||
| Apps | |||||
| Music | |||||