Pebble Time Steel vs. Withings Activite Sapphire vs. Polar M430 vs. Amazfit Stratos vs. Fitbit Charge
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| PebbleTime SteelRemove Buy Now | WithingsActivite SapphireRemove Buy Now | PolarM430Remove Buy Now | AmazfitStratosRemove Buy Now | FitbitChargeRemove Buy Now |
Basic Info | |||||
| Suggested Price | $250 | $450 | $255 | $199 | $130 |
| Release | 2015 | 2014 | 2017 | 2018 | 2014 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 10 days | 8 months | 30 hours | 5 days | 7-10 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | n/a | NA | ||
| Mac | n/a | n/a | |||
| Windows | n/a | n/a | |||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | 168 x 144 | n/a | 128x128 | 320 x 300 | NA |
| Size | 1.26 inches | 1.3 inches | 1.4 inch | 1.34 inches | NA |
| Touch | NA | ||||
| Type | e-paper | Analog | LCD | OLED | OLED |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 5 ATM | 5 ATM | WR30 | 5 ATM | 1 ATM |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | Pebble OS | n/a | Proprietary | NA | |
| Apps | |||||
| Music | |||||