Polar M400 vs. Sony SmartWatch 3 vs. Misfit Flash Link vs. Samsung Galaxy Watch vs. Garmin Forerunner 45
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| PolarM400Remove Buy Now | SonySmartWatch 3Remove Buy Now | MisfitFlash LinkRemove Buy Now | SamsungGalaxy WatchRemove Buy Now | GarminForerunner 45Remove Buy Now |
Basic Info | |||||
| Suggested Price | $200 | $250 | $20 | $330 | $199 |
| Release | 2014 | 2014 | 2015 | 2018 | 2019 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 8 hours to 30 days | 2 days | 6 months | 7 days | 7 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | n/a | n/a | ||
| Mac | n/a | n/a | |||
| Windows | n/a | n/a | |||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | NA | ||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | n/a | ||||
| Resolution | n/a | 320 x 320 | n/a | 360 x 360 | 208 x 208 |
| Size | n/a | 1.6 inches | n/a | 1.2 inches or 1.3 inches | 1.04 inches |
| Touch | n/a | ||||
| Type | n/a | TFT LCD | n/a | AMOLED | LCD |
Functions | |||||
| Audio Speaker | Alerts only | Bluetooth | |||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 3 ATM | IP68 | 3 ATM | 5 ATM | 5 ATM |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | n/a | Android Wear | n/a | Tizen OS | Built-in |
| Apps | |||||
| Music | Spotify | ||||