Pebble Classic vs. Fitbit Alta vs. Garmin Vivofit 3 vs. Garmin Vivofit 4 vs. Amazfit T-Rex
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| PebbleClassicRemove Buy Now | FitbitAltaRemove Buy Now | GarminVivofit 3Remove Buy Now | GarminVivofit 4Remove Buy Now | AmazfitT-RexRemove Buy Now |
Basic Info | |||||
| Suggested Price | $99 | $130 | $100 | $79.95 | $140 |
| Release | 2013 | 2016 | 2016 | 2018 | 2019 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 5-7 days | 5 days | 1 year | 1 year | 20 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | ||||
| Mac | n/a | n/a | |||
| Windows | n/a | n/a | |||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | 168 x 144 | n/a | 64 x 64 | 88 x 88 | 360 x 360 |
| Size | 1.26 inches | n/a | 0.55 inches | NA | 1.3 inches |
| Touch | n/a | ||||
| Type | e-paper | OLED | n/a | NA | AMOLED |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 5 ATM | n/a | 5 ATM | 5 ATM | 5 ATM |
Notifications | |||||
| Phone | |||||
| Emails | n/a | ||||
| Texts | |||||
Software | |||||
| Operating System | Pebble OS | n/a | n/a | Build-in | |
| Apps | |||||
| Music | |||||