Apple Watch Series 3 vs. Polar M400
 | | |
| AppleWatch Series 3Buy Now | PolarM400Buy Now |
Basic Info | ||
| Suggested Price | $329 | $200 |
| Release | 2017 | 2014 |
Activity & Fitness | ||
| Calories | ||
| Cycling (Bicycling) | ||
| Distance | ||
| Heart | n/a | |
| Oxygen | ||
| Sleep | ||
| Steps | ||
| Swim | ||
Battery | ||
| Duration | 18 hours | 8 hours to 30 days |
| Rechargeable | ||
Compatibility | ||
| Android | ||
| iOS | ||
| Windows Phone | n/a | |
| Mac | ||
| Windows | ||
Connectivity | ||
| Bluetooth | ||
| Cellular | ||
| GPS | ||
| NFC | ||
| Wi-Fi | ||
Display | ||
| Color | ||
| Resolution | 340 x 272 or 390 x 312 | n/a |
| Size | 1.5 inches or 1.65 inches | n/a |
| Touch | ||
| Type | AMOLED | n/a |
Functions | ||
| Audio Speaker | Alerts only | |
| Clock | ||
| Phone | ||
| Vibration | ||
| Voice | ||
Hardware | ||
| Accelerometer | ||
| Barometer or Altimeter | ||
| Ultraviolet Sensor | ||
| Water Resistance | 5 ATM | 3 ATM |
Notifications | ||
| Phone | ||
| Emails | ||
| Texts | ||
Software | ||
| Operating System | WatchOS 4 | n/a |
| Apps | ||
| Music | ||