Garmin 645 Music vs. Fitbit Charge HR vs. Garmin Forerunner 45 vs. Amazfit T-Rex vs. Apple SE (2022)
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| Garmin645 MusicRemove Buy Now | FitbitCharge HRRemove Buy Now | GarminForerunner 45Remove Buy Now | AmazfitT-RexRemove Buy Now | AppleSE (2022)Remove Buy Now |
Basic Info | |||||
| Suggested Price | $450 | $150 | $199 | $140 | $249 |
| Release | 2018 | 2015 | 2019 | 2019 | 2022 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 7 days | 5 days | 7 days | 20 days | Not yet |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | NA | ||||
| Mac | |||||
| Windows | |||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | 368 x 448 pixels | ||||
| Resolution | 240 x 240 | NA | 208 x 208 | 360 x 360 | 40mm |
| Size | 1.2 inches | NA | 1.04 inches | 1.3 inches | |
| Touch | NA | LTPO OLED Retina | |||
| Type | MIP | OLED | LCD | AMOLED | |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | 5 ATM | ||||
| Ultraviolet Sensor | |||||
| Water Resistance | 5 ATM | 1 ATM | 5 ATM | 5 ATM | |
Notifications | |||||
| Phone | |||||
| Emails | WatchOS 8.1 | ||||
| Texts | |||||
Software | |||||
| Operating System | NA | Built-in | Build-in | ||
| Apps | |||||
| Music | |||||