Polar M400 vs. Huawei Watch 2 vs. LG G Watch vs. Amazfit GTS
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| PolarM400Remove Buy Now | HuaweiWatch 2Remove Buy Now | LGG WatchRemove Buy Now | AmazfitGTSRemove Buy Now |
Basic Info | ||||
| Suggested Price | $200 | $350 | $230 | $150 |
| Release | 2014 | 2017 | 2014 | 2019 |
Activity & Fitness | ||||
| Calories | ||||
| Cycling (Bicycling) | ||||
| Distance | ||||
| Heart | n/a | |||
| Oxygen | ||||
| Sleep | ||||
| Steps | ||||
| Swim | ||||
Battery | ||||
| Duration | 8 hours to 30 days | 48 hours | 1.5 days | 14 days |
| Rechargeable | ||||
Compatibility | ||||
| Android | ||||
| iOS | ||||
| Windows Phone | n/a | NA | ||
| Mac | NA | |||
| Windows | NA | |||
Connectivity | ||||
| Bluetooth | ||||
| Cellular | ||||
| GPS | ||||
| NFC | ||||
| Wi-Fi | ||||
Display | ||||
| Color | ||||
| Resolution | n/a | 480 x 480 | 280 x 280 | 348 x 442 |
| Size | n/a | 1.38 inches | 1.65 inches | 1.65 inches |
| Touch | ||||
| Type | n/a | P-OLED | IPS LCD | AMOLED |
Functions | ||||
| Audio Speaker | Alerts only | |||
| Clock | ||||
| Phone | ||||
| Vibration | ||||
| Voice | ||||
Hardware | ||||
| Accelerometer | ||||
| Barometer or Altimeter | ||||
| Ultraviolet Sensor | ||||
| Water Resistance | 3 ATM | IP68 | IP67 | 5 ATM |
Notifications | ||||
| Phone | ||||
| Emails | ||||
| Texts | ||||
Software | ||||
| Operating System | n/a | Android Wear 2 | Android Wear | Wear OS |
| Apps | ||||
| Music | ||||