Garmin 645 Music vs. Samsung Gear 2 vs. Garmin Vivofit 4 vs. Polar A370 vs. Diesel On Full Guard 2.5
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| Garmin645 MusicRemove Buy Now | SamsungGear 2Remove Buy Now | GarminVivofit 4Remove Buy Now | PolarA370Remove Buy Now | DieselOn Full Guard 2.5Remove Buy Now |
Basic Info | |||||
| Suggested Price | $450 | $300 | $79.95 | $179.95 | $325 |
| Release | 2018 | 2014 | 2018 | 2017 | 2018 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | NA | ||||
| Swim | |||||
Battery | |||||
| Duration | 7 days | 2-3 days | 1 year | Up to 3 days | 4 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | NA | ||||
| Mac | NA | ||||
| Windows | NA | ||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | 240 x 240 | 320 x 320 | 88 x 88 | 160 x 80 | 454x454 |
| Size | 1.2 inches | 1.63 inches | NA | 1.18 inches | 1.39 inches |
| Touch | |||||
| Type | MIP | Super AMOLED | NA | TFT LCD | |
Functions | |||||
| Audio Speaker | Bluetooth | ||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 5 ATM | IP67 | 5 ATM | WR30 | 3 ATM |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | Tizen OS | Wear OS | |||
| Apps | |||||
| Music | |||||