Garmin Forerunner 225 vs. Garmin 645 Music vs. Diesel On Full Guard 2.5 vs. Fitbit Inspire HR vs. Amazfit GTR
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| GarminForerunner 225Remove Buy Now | Garmin645 MusicRemove Buy Now | DieselOn Full Guard 2.5Remove Buy Now | FitbitInspire HRRemove Buy Now | AmazfitGTRRemove Buy Now |
Basic Info | |||||
| Suggested Price | $300 | $450 | $325 | $99 | $199 |
| Release | 2015 | 2018 | 2018 | 2019 | 2019 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 10 hours to 4 weeks | 7 days | 4 days | 5 days | 24 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | ||||
| Mac | n/a | ||||
| Windows | n/a | ||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | 180 x 180 | 240 x 240 | 454x454 | 139 x 60 | 454 x 454 |
| Size | 1 inch | 1.2 inches | 1.39 inches | 1.4 inches | 1.39 inches |
| Touch | |||||
| Type | n/a | MIP | OLED | AMOLED | |
Functions | |||||
| Audio Speaker | 22 | ||||
| Clock | |||||
| Phone | n/a | ||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 5 ATM | 5 ATM | 3 ATM | 5 ATM | 5 ATM |
Notifications | |||||
| Phone | n/a | ||||
| Emails | n/a | ||||
| Texts | n/a | ||||
Software | |||||
| Operating System | n/a | Wear OS | Fitbit OS | Build-in | |
| Apps | n/a | ||||
| Music | n/a | ||||