Garmin 645 Music vs. Polar Loop vs. Garmin VivoActive 4 vs. Apple SE (2022)
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| Garmin645 MusicRemove Buy Now | PolarLoopRemove Buy Now | GarminVivoActive 4Remove Buy Now | AppleSE (2022)Remove Buy Now |
Basic Info | ||||
| Suggested Price | $450 | $100 | $349 | $249 |
| Release | 2018 | 2013 | 2019 | 2022 |
Activity & Fitness | ||||
| Calories | ||||
| Cycling (Bicycling) | ||||
| Distance | ||||
| Heart | ||||
| Oxygen | ||||
| Sleep | ||||
| Steps | ||||
| Swim | ||||
Battery | ||||
| Duration | 7 days | 5 days | 8 days | Not yet |
| Rechargeable | ||||
Compatibility | ||||
| Android | ||||
| iOS | ||||
| Windows Phone | NA | |||
| Mac | NA | |||
| Windows | NA | |||
Connectivity | ||||
| Bluetooth | ||||
| Cellular | ||||
| GPS | ||||
| NFC | ||||
| Wi-Fi | ||||
Display | ||||
| Color | 368 x 448 pixels | |||
| Resolution | 240 x 240 | NA | 260 x 260 | 40mm |
| Size | 1.2 inches | NA | 1.3ionches | |
| Touch | LTPO OLED Retina | |||
| Type | MIP | LED | MIP | |
Functions | ||||
| Audio Speaker | ||||
| Clock | ||||
| Phone | ||||
| Vibration | ||||
| Voice | ||||
Hardware | ||||
| Accelerometer | ||||
| Barometer or Altimeter | 5 ATM | |||
| Ultraviolet Sensor | ||||
| Water Resistance | 5 ATM | 2 ATM | 5 ATM | |
Notifications | ||||
| Phone | ||||
| Emails | WatchOS 8.1 | |||
| Texts | ||||
Software | ||||
| Operating System | NA | Wear OS | ||
| Apps | ||||
| Music | ||||