Polar M400 vs. Sony SmartWatch 3 vs. Acer Liquid Leap vs. Mobvoi TicWatch S2 vs. Garmin VivoActive 4
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| PolarM400Remove Buy Now | SonySmartWatch 3Remove Buy Now | AcerLiquid LeapRemove Buy Now | MobvoiTicWatch S2Remove Buy Now | GarminVivoActive 4Remove Buy Now |
Basic Info | |||||
| Suggested Price | $200 | $250 | $90 | $180 | $349 |
| Release | 2014 | 2014 | 2015 | 2019 | 2019 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 8 hours to 30 days | 2 days | 5 to 7 days | 2 DAYS | 8 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 | n/a | 320 x 320 | 128 x 32 | 400 x 400 | 260 x 260 |
| Size | n/a | 1.6 inches | 1 inch | 1.39 inches | 1.3ionches |
| Touch | |||||
| Type | n/a | TFT LCD | OLED | OLED | MIP |
Functions | |||||
| Audio Speaker | Alerts only | Bluetooth | |||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 3 ATM | IP68 | IPX4 | 5 ATM | 5 ATM |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | n/a | Android Wear | Wear OS | Wear OS | |
| Apps | |||||
| Music | |||||