Fitbit Alta vs. Amazfit Arc vs. Pebble Time 2 vs. Xiaomi Mi Band 4
 | | | | |
| FitbitAltaRemove Buy Now | AmazfitArcRemove Buy Now | PebbleTime 2Remove Buy Now | XiaomiMi Band 4Remove Buy Now |
Basic Info | ||||
| Suggested Price | $130 | $69.99 | $199 | $25 |
| Release | 2016 | 2016 | 2016 | 2019 |
Activity & Fitness | ||||
| Calories | ||||
| Cycling (Bicycling) | ||||
| Distance | ||||
| Heart | ||||
| Oxygen | ||||
| Sleep | ||||
| Steps | ||||
| Swim | ||||
Battery | ||||
| Duration | 5 days | 20 days | 10 days | 20 days |
| Rechargeable | ||||
Compatibility | ||||
| Android | ||||
| iOS | ||||
| Windows Phone | NA | |||
| Mac | NA | |||
| Windows | NA | |||
Connectivity | ||||
| Bluetooth | ||||
| Cellular | ||||
| GPS | ||||
| NFC | ||||
| Wi-Fi | ||||
Display | ||||
| Color | ||||
| Resolution | n/a | 72 x40 | NA | 120x240 |
| Size | n/a | 0.42 inches | NA | 0.95 inches |
| Touch | n/a | |||
| Type | OLED | OLED | e-paper | AMOLED |
Functions | ||||
| Audio Speaker | ||||
| Clock | ||||
| Phone | ||||
| Vibration | ||||
| Voice | ||||
Hardware | ||||
| Accelerometer | ||||
| Barometer or Altimeter | ||||
| Ultraviolet Sensor | ||||
| Water Resistance | n/a | IP67 | 3 ATM | 5 ATM |
Notifications | ||||
| Phone | ||||
| Emails | n/a | |||
| Texts | ||||
Software | ||||
| Operating System | n/a | Pebble OS | AMAZFIT OS | |
| Apps | ||||
| Music | ||||