Polar M400 vs. Garmin Vivofit 3 vs. Garmin Vivosmart vs. Garmin Forerunner 235 vs. Garmin Forerunner 45
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| PolarM400Remove Buy Now | GarminVivofit 3Remove Buy Now | GarminVivosmartRemove Buy Now | GarminForerunner 235Remove Buy Now | GarminForerunner 45Remove Buy Now |
Basic Info | |||||
| Suggested Price | $200 | $100 | $170 | $299.99 | $199 |
| Release | 2014 | 2016 | 2014 | 2017 | 2019 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | n/a | n/a | ||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 8 hours to 30 days | 1 year | 7 days | 9 days | 7 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | n/a | |||
| Mac | n/a | n/a | |||
| Windows | n/a | n/a | |||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | n/a | 64 x 64 | 128 x 16 | 215 x 180 | 208 x 208 |
| Size | n/a | 0.55 inches | 1.41 inches | 1.23 inches | 1.04 inches |
| Touch | |||||
| Type | n/a | n/a | OLED | MIP | LCD |
Functions | |||||
| Audio Speaker | Alerts only | ||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 3 ATM | 5 ATM | 5 ATM | 5 ATM | 5 ATM |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | n/a | n/a | n/a | Built-in | |
| Apps | |||||
| Music | |||||