Polar M400 vs. Garmin Forerunner 935 vs. Jaybird Reign vs. Pebble Core vs. Garmin Forerunner 45
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| PolarM400Remove Buy Now | GarminForerunner 935Remove Buy Now | JaybirdReignRemove Buy Now | PebbleCoreRemove Buy Now | GarminForerunner 45Remove Buy Now |
Basic Info | |||||
| Suggested Price | $200 | $500 | $150 | $99 | $199 |
| Release | 2014 | 2017 | 2015 | 2016 | 2019 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | NA | ||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | NA | ||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 8 hours to 30 days | Up to 2 weeks | 5 days | NA | 7 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | NA | ||||
| Windows Phone | n/a | NA | NA | ||
| Mac | NA | NA | |||
| Windows | NA | NA | |||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | n/a | 240 x 240 | NA | NA | 208 x 208 |
| Size | n/a | 1.2 inches | NA | NA | 1.04 inches |
| Touch | NA | NA | |||
| Type | n/a | LCD | LED | NA | LCD |
Functions | |||||
| Audio Speaker | Alerts only | ||||
| Clock | |||||
| Phone | NA | ||||
| Vibration | NA | ||||
| Voice | |||||
Hardware | |||||
| Accelerometer | NA | ||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 3 ATM | 5 ATM | NA | NA | 5 ATM |
Notifications | |||||
| Phone | NA | ||||
| Emails | NA | ||||
| Texts | NA | ||||
Software | |||||
| Operating System | n/a | NA | NA | Built-in | |
| Apps | |||||
| Music | |||||