Polar M400 vs. Casio WSD-F20A vs. LG G Watch vs. Garmin Vivosmart HR Plus
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| PolarM400Remove Buy Now | CasioWSD-F20ARemove Buy Now | LGG WatchRemove Buy Now | GarminVivosmart HR PlusRemove Buy Now |
Basic Info | ||||
| Suggested Price | $200 | $399 | $230 | $179 |
| Release | 2014 | 2018 | 2014 | 2017 |
Activity & Fitness | ||||
| Calories | ||||
| Cycling (Bicycling) | ||||
| Distance | ||||
| Heart | n/a | |||
| Oxygen | ||||
| Sleep | ||||
| Steps | ||||
| Swim | ||||
Battery | ||||
| Duration | 8 hours to 30 days | 1 day | 1.5 days | 5 days |
| Rechargeable | ||||
Compatibility | ||||
| Android | ||||
| iOS | ||||
| Windows Phone | n/a | NA | ||
| Mac | NA | |||
| Windows | NA | |||
Connectivity | ||||
| Bluetooth | ||||
| Cellular | ||||
| GPS | ||||
| NFC | ||||
| Wi-Fi | ||||
Display | ||||
| Color | ||||
| Resolution | n/a | 320 x 320 | 280 x 280 | 160 x 68 |
| Size | n/a | 1.32 inches | 1.65 inches | 0.5 inches x 0.8 inches |
| Touch | ||||
| Type | n/a | LCD | IPS LCD | LCD |
Functions | ||||
| Audio Speaker | Alerts only | |||
| Clock | ||||
| Phone | ||||
| Vibration | ||||
| Voice | ||||
Hardware | ||||
| Accelerometer | ||||
| Barometer or Altimeter | ||||
| Ultraviolet Sensor | ||||
| Water Resistance | 3 ATM | 5 ATM | IP67 | 5 ATM |
Notifications | ||||
| Phone | ||||
| Emails | ||||
| Texts | ||||
Software | ||||
| Operating System | n/a | Wear OS | Android Wear | NA |
| Apps | ||||
| Music | ||||