Fitbit One vs. Polar Loop 2 vs. Samsung Gear Fit vs. Amazfit T-Rex vs. Garmin VivoActive 4
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| FitbitOneRemove Buy Now | PolarLoop 2Remove Buy Now | SamsungGear FitRemove Buy Now | AmazfitT-RexRemove Buy Now | GarminVivoActive 4Remove Buy Now |
Basic Info | |||||
| Suggested Price | $100 | $120 | $150 | $140 | $349 |
| Release | 2012 | 2015 | 2014 | 2019 | 2019 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 10-14 days | 8 days (without notifications) | 2-3 days | 20 days | 8 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | n/a | NA | ||
| Mac | n/a | NA | |||
| Windows | n/a | NA | |||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | n/a | n/a | 432 x 128 | 360 x 360 | 260 x 260 |
| Size | n/a | n/a | 1.84 inches | 1.3 inches | 1.3ionches |
| Touch | |||||
| Type | OLED | LED | Super AMOLED | AMOLED | MIP |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | Splast Resistant | 2 ATM | IP67 | 5 ATM | 5 ATM |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | n/a | n/a | NA | Build-in | Wear OS |
| Apps | |||||
| Music | |||||