Polar M400 vs. ASUS ZenWatch 3 vs. Casio G-Shock GBA800 vs. Garmin Forerunner 45 vs. Apple SE (2022)
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| PolarM400Remove Buy Now | ASUSZenWatch 3Remove Buy Now | CasioG-Shock GBA800Remove Buy Now | GarminForerunner 45Remove Buy Now | AppleSE (2022)Remove Buy Now |
Basic Info | |||||
| Suggested Price | $200 | $229 | $120 | $199 | $249 |
| Release | 2014 | 2017 | 2018 | 2019 | 2022 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 8 hours to 30 days | 48 hours | 2 years | 7 days | Not yet |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | ||||
| Mac | |||||
| Windows | |||||
Connectivity | |||||
| Bluetooth | Yes | ||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | 368 x 448 pixels | ||||
| Resolution | n/a | 400 x 400 | 208 x 208 | 40mm | |
| Size | n/a | 1.39 inches | 1.04 inches | ||
| Touch | LTPO OLED Retina | ||||
| Type | n/a | AMOLED | LCD | ||
Functions | |||||
| Audio Speaker | Alerts only | ||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | 5 ATM | ||||
| Ultraviolet Sensor | |||||
| Water Resistance | 3 ATM | 20 ATM | 5 ATM | ||
Notifications | |||||
| Phone | |||||
| Emails | WatchOS 8.1 | ||||
| Texts | |||||
Software | |||||
| Operating System | n/a | Android Wear 2 | Built-in | ||
| Apps | |||||
| Music | |||||