Fitbit One vs. Garmin 645 Music vs. Diesel On Full Guard 2.5 vs. Amazfit T-Rex vs. Apple Series 6
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| FitbitOneRemove Buy Now | Garmin645 MusicRemove Buy Now | DieselOn Full Guard 2.5Remove Buy Now | AmazfitT-RexRemove Buy Now | AppleSeries 6Remove Buy Now |
Basic Info | |||||
| Suggested Price | $100 | $450 | $325 | $140 | $399 |
| Release | 2012 | 2018 | 2018 | 2019 | 2020 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 10-14 days | 7 days | 4 days | 20 days | Not yet |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | ||||
| Mac | |||||
| Windows | |||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | n/a | 240 x 240 | 454x454 | 360 x 360 | 384 x 480 |
| Size | n/a | 1.2 inches | 1.39 inches | 1.3 inches | 40mm |
| Touch | |||||
| Type | OLED | MIP | AMOLED | MicroLED | |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | 5 ATM | ||||
| Water Resistance | Splast Resistant | 5 ATM | 3 ATM | 5 ATM | |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | n/a | Wear OS | Build-in | WatchOS 5 | |
| Apps | |||||
| Music | |||||