Polar M430 vs. Casio WSD-F20A vs. Garmin 645 Music vs. Garmin Forerunner 235
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| PolarM430Remove Buy Now | CasioWSD-F20ARemove Buy Now | Garmin645 MusicRemove Buy Now | GarminForerunner 235Remove Buy Now |
Basic Info | ||||
| Suggested Price | $255 | $399 | $450 | $299.99 |
| Release | 2017 | 2018 | 2018 | 2017 |
Activity & Fitness | ||||
| Calories | ||||
| Cycling (Bicycling) | ||||
| Distance | ||||
| Heart | ||||
| Oxygen | ||||
| Sleep | ||||
| Steps | ||||
| Swim | ||||
Battery | ||||
| Duration | 30 hours | 1 day | 7 days | 9 days |
| Rechargeable | ||||
Compatibility | ||||
| Android | ||||
| iOS | ||||
| Windows Phone | ||||
| Mac | ||||
| Windows | ||||
Connectivity | ||||
| Bluetooth | ||||
| Cellular | ||||
| GPS | ||||
| NFC | ||||
| Wi-Fi | ||||
Display | ||||
| Color | ||||
| Resolution | 128x128 | 320 x 320 | 240 x 240 | 215 x 180 |
| Size | 1.4 inch | 1.32 inches | 1.2 inches | 1.23 inches |
| Touch | ||||
| Type | LCD | LCD | MIP | MIP |
Functions | ||||
| Audio Speaker | ||||
| Clock | ||||
| Phone | ||||
| Vibration | ||||
| Voice | ||||
Hardware | ||||
| Accelerometer | ||||
| Barometer or Altimeter | ||||
| Ultraviolet Sensor | ||||
| Water Resistance | WR30 | 5 ATM | 5 ATM | 5 ATM |
Notifications | ||||
| Phone | ||||
| Emails | ||||
| Texts | ||||
Software | ||||
| Operating System | Wear OS | |||
| Apps | ||||
| Music | ||||