Polar M400 vs. Samsung Gear S vs. Polar Loop 2 vs. Withings Go vs. Asus ZenWatch
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| PolarM400Remove Buy Now | SamsungGear SRemove Buy Now | PolarLoop 2Remove Buy Now | WithingsGoRemove Buy Now | AsusZenWatchRemove Buy Now |
Basic Info | |||||
| Suggested Price | $200 | $250 | $120 | $80 | $150 |
| Release | 2014 | 2013 | 2015 | 2016 | 2014 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | n/a | |||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 8 hours to 30 days | n/a | 8 days (without notifications) | 8 months | NA |
| Rechargeable | |||||
Compatibility | |||||
| Android | n/a | ||||
| iOS | n/a | ||||
| Windows Phone | n/a | n/a | n/a | n/a | NA |
| Mac | n/a | n/a | n/a | NA | |
| Windows | n/a | n/a | n/a | NA | |
Connectivity | |||||
| Bluetooth | n/a | ||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | n/a | ||||
| Resolution | n/a | 480 x 360 | n/a | n/a | 320 x 320 |
| Size | n/a | 2 inches | n/a | n/a | 1.63 inches |
| Touch | n/a | ||||
| Type | n/a | Super AMOLED | LED | E-Ink | AMOLED |
Functions | |||||
| Audio Speaker | Alerts only | ||||
| Clock | |||||
| Phone | n/a | ||||
| Vibration | n/a | ||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 3 ATM | IP67 | 2 ATM | 5 ATM | IP55 |
Notifications | |||||
| Phone | n/a | ||||
| Emails | n/a | NA | |||
| Texts | n/a | NA | |||
Software | |||||
| Operating System | n/a | Tizen | n/a | n/a | Android Wear |
| Apps | n/a | ||||
| Music | |||||