Apple Watch Series 3 vs. Polar M400 vs. Polar Loop 2 vs. Diesel On Full Guard vs. Garmin Forerunner 45
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| AppleWatch Series 3Remove Buy Now | PolarM400Remove Buy Now | PolarLoop 2Remove Buy Now | DieselOn Full GuardRemove Buy Now | GarminForerunner 45Remove Buy Now |
Basic Info | |||||
| Suggested Price | $329 | $200 | $120 | $325 | $199 |
| Release | 2017 | 2014 | 2015 | 2017 | 2019 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | n/a | |||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 18 hours | 8 hours to 30 days | 8 days (without notifications) | 1 day | 7 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | n/a | |||
| Mac | n/a | ||||
| Windows | n/a | ||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | 340 x 272 or 390 x 312 | n/a | n/a | 454 x 454 | 208 x 208 |
| Size | 1.5 inches or 1.65 inches | n/a | n/a | 1.4 inches | 1.04 inches |
| Touch | |||||
| Type | AMOLED | n/a | LED | OMOLED | LCD |
Functions | |||||
| Audio Speaker | Alerts only | ||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 5 ATM | 3 ATM | 2 ATM | IP67 | 5 ATM |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | WatchOS 4 | n/a | n/a | Android Wear 2.0 | Built-in |
| Apps | |||||
| Music | |||||