Pebble Time Round vs. Withings Activite Sapphire vs. Polar Loop vs. Xiaomi Mi Band 4
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| PebbleTime RoundRemove Buy Now | WithingsActivite SapphireRemove Buy Now | PolarLoopRemove Buy Now | XiaomiMi Band 4Remove Buy Now |
Basic Info | ||||
| Suggested Price | $200 | $450 | $100 | $25 |
| Release | 2015 | 2014 | 2013 | 2019 |
Activity & Fitness | ||||
| Calories | ||||
| Cycling (Bicycling) | ||||
| Distance | ||||
| Heart | ||||
| Oxygen | ||||
| Sleep | ||||
| Steps | ||||
| Swim | ||||
Battery | ||||
| Duration | 2 days | 8 months | 5 days | 20 days |
| Rechargeable | ||||
Compatibility | ||||
| Android | ||||
| iOS | ||||
| Windows Phone | n/a | n/a | NA | |
| Mac | n/a | n/a | NA | |
| Windows | n/a | n/a | NA | |
Connectivity | ||||
| Bluetooth | ||||
| Cellular | ||||
| GPS | ||||
| NFC | ||||
| Wi-Fi | ||||
Display | ||||
| Color | ||||
| Resolution | n/a | n/a | NA | 120x240 |
| Size | round | 1.3 inches | NA | 0.95 inches |
| Touch | ||||
| Type | e-paper | Analog | LED | AMOLED |
Functions | ||||
| Audio Speaker | ||||
| Clock | ||||
| Phone | ||||
| Vibration | ||||
| Voice | ||||
Hardware | ||||
| Accelerometer | ||||
| Barometer or Altimeter | ||||
| Ultraviolet Sensor | ||||
| Water Resistance | IPX7 | 5 ATM | 2 ATM | 5 ATM |
Notifications | ||||
| Phone | ||||
| Emails | ||||
| Texts | ||||
Software | ||||
| Operating System | Pebble OS | n/a | NA | AMAZFIT OS |
| Apps | ||||
| Music | ||||