Polar M400 vs. Fitbit Ionic vs. Garmin Forerunner 935 vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Apple SE (2022)
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| PolarM400Remove Buy Now | FitbitIonicRemove Buy Now | GarminForerunner 935Remove Buy Now | Michael KorsGraysonRemove Buy Now | Michael KorsGraysonRemove Buy Now | AppleSE (2022)Remove Buy Now |
Basic Info | ||||||
| Suggested Price | $200 | $299 | $500 | $350 | $350 | $249 |
| Release | 2014 | 2017 | 2017 | 2018 | 2018 | 2022 |
Activity & Fitness | ||||||
| Calories | ||||||
| Cycling (Bicycling) | ||||||
| Distance | ||||||
| Heart | n/a | |||||
| Oxygen | ||||||
| Sleep | ||||||
| Steps | ||||||
| Swim | ||||||
Battery | ||||||
| Duration | 8 hours to 30 days | 4+ days | Up to 2 weeks | 24 hours | 24 hours | 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 | 348x250 | 240 x 240 | 453 x 454 | 453x454 | 40mm |
| Size | n/a | 1.42 | 1.2 inches | 1.39 inches | 1.39 inches | |
| Touch | LTPO OLED Retina | |||||
| Type | n/a | OLED | LCD | AMOLED | AMOLED | |
Functions | ||||||
| Audio Speaker | Alerts only | |||||
| Clock | ||||||
| Phone | ||||||
| Vibration | ||||||
| Voice | ||||||
Hardware | ||||||
| Accelerometer | ||||||
| Barometer or Altimeter | 5 ATM | |||||
| Ultraviolet Sensor | ||||||
| Water Resistance | 3 ATM | 50m | 5 ATM | 1 ATM | 1 ATM | |
Notifications | ||||||
| Phone | ||||||
| Emails | WatchOS 8.1 | |||||
| Texts | ||||||
Software | ||||||
| Operating System | n/a | Fitbit OS | Android Wear | Android Wear | ||
| Apps | ||||||
| Music | ||||||