Polar M400 vs. Apple Watch Series 2 vs. Pebble Core vs. Apple Watch 8 vs. Apple SE (2022)
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| PolarM400Remove Buy Now | AppleWatch Series 2Remove Buy Now | PebbleCoreRemove Buy Now | AppleWatch 8Remove Buy Now | AppleSE (2022)Remove Buy Now |
Basic Info | |||||
| Suggested Price | $200 | $269 | $99 | $499 | $249 |
| Release | 2014 | 2016 | 2016 | 2022 | 2022 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | NA | ||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | NA | ||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 8 hours to 30 days | 18 hours | NA | 18 hrs | Not yet |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | NA | ||||
| Windows Phone | n/a | NA | |||
| Mac | NA | ||||
| Windows | NA | ||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | 368 x 448 pixels | ||||
| Resolution | n/a | 340 x 272 or 390 x 312 | NA | 340 x 272 or 390 x 312 | 40mm |
| Size | n/a | 1.5 inches or 1.65 inches | NA | 1.5 inches or 1.65 inches | |
| Touch | NA | LTPO OLED Retina | |||
| Type | n/a | AMOLED | NA | AMOLED | |
Functions | |||||
| Audio Speaker | Alerts only | ||||
| Clock | |||||
| Phone | NA | ||||
| Vibration | NA | ||||
| Voice | |||||
Hardware | |||||
| Accelerometer | NA | ||||
| Barometer or Altimeter | 5 ATM | ||||
| Ultraviolet Sensor | |||||
| Water Resistance | 3 ATM | 5ATM | NA | 5 ATM | |
Notifications | |||||
| Phone | NA | ||||
| Emails | NA | WatchOS 8.1 | |||
| Texts | NA | ||||
Software | |||||
| Operating System | n/a | Watch OS | NA | WatchOS 9 | |
| Apps | |||||
| Music | |||||