Polar M400 vs. Fitbit Alta HR vs. Garmin Vivosmart HR Plus vs. Garmin Vivosmart 4 vs. Apple SE (2022)
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| PolarM400Remove Buy Now | FitbitAlta HRRemove Buy Now | GarminVivosmart HR PlusRemove Buy Now | GarminVivosmart 4Remove Buy Now | AppleSE (2022)Remove Buy Now |
Basic Info | |||||
| Suggested Price | $200 | $150 | $179 | $130 | $249 |
| Release | 2014 | 2017 | 2017 | 2018 | 2022 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 8 hours to 30 days | 7 days | 5 days | 7 days | Not yet |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | ||||
| Mac | |||||
| Windows | |||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | 368 x 448 pixels | ||||
| Resolution | n/a | 128 x 36 | 160 x 68 | 48 x 128 | 40mm |
| Size | n/a | 1.4 inches | 0.5 inches x 0.8 inches | 0.74 inches | |
| Touch | LTPO OLED Retina | ||||
| Type | n/a | OLED | LCD | OLED | |
Functions | |||||
| Audio Speaker | Alerts only | ||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | 5 ATM | ||||
| Ultraviolet Sensor | |||||
| Water Resistance | 3 ATM | 5 ATM | 5 ATM | ||
Notifications | |||||
| Phone | |||||
| Emails | WatchOS 8.1 | ||||
| Texts | |||||
Software | |||||
| Operating System | n/a | NA | |||
| Apps | |||||
| Music | |||||