Samsung Gear S2 vs. Xiaomi Mi Band 2 vs. Polar M430 vs. Garmin 645 Music
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| SamsungGear S2Remove Buy Now | XiaomiMi Band 2Remove Buy Now | PolarM430Remove Buy Now | Garmin645 MusicRemove Buy Now |
Basic Info | ||||
| Suggested Price | $300 | $23 | $255 | $450 |
| Release | 2015 | 2016 | 2017 | 2018 |
Activity & Fitness | ||||
| Calories | ||||
| Cycling (Bicycling) | ||||
| Distance | ||||
| Heart | ||||
| Oxygen | ||||
| Sleep | ||||
| Steps | n/a | |||
| Swim | ||||
Battery | ||||
| Duration | 2-3 days | 20 hours | 30 hours | 7 days |
| Rechargeable | ||||
Compatibility | ||||
| Android | ||||
| iOS | ||||
| Windows Phone | n/a | |||
| Mac | n/a | n/a | ||
| Windows | n/a | n/a | ||
Connectivity | ||||
| Bluetooth | ||||
| Cellular | n/a | |||
| GPS | n/a | |||
| NFC | ||||
| Wi-Fi | ||||
Display | ||||
| Color | ||||
| Resolution | 360 x 360 | n/a | 128x128 | 240 x 240 |
| Size | 1.2 inches | 0.42 inches | 1.4 inch | 1.2 inches |
| Touch | ||||
| Type | Super AMOLED | OLED | LCD | MIP |
Functions | ||||
| Audio Speaker | ||||
| Clock | ||||
| Phone | ||||
| Vibration | ||||
| Voice | ||||
Hardware | ||||
| Accelerometer | ||||
| Barometer or Altimeter | ||||
| Ultraviolet Sensor | ||||
| Water Resistance | IP68 | IP67 | WR30 | 5 ATM |
Notifications | ||||
| Phone | ||||
| Emails | ||||
| Texts | ||||
Software | ||||
| Operating System | Tizen | n/a | ||
| Apps | ||||
| Music | ||||