Fitbit Ionic vs. Amazfit Cor vs. Garmin 645 Music vs. Garmin Chronos vs. Fitbit Charge 3
 | | | | | |
| FitbitIonicRemove Buy Now | AmazfitCorRemove Buy Now | Garmin645 MusicRemove Buy Now | GarminChronosRemove Buy Now | FitbitCharge 3Remove Buy Now |
Basic Info | |||||
| Suggested Price | $299 | $79.99 | $450 | $1500 | $150 |
| Release | 2017 | 2018 | 2018 | 2018 | 2018 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 4+ days | 12 days | 7 days | 8 days | 7 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | |||||
| Mac | |||||
| Windows | Not yet | ||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | NA | ||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | 348x250 | 80 x 160 | 240 x 240 | 218 x 218 | 66 x 18 |
| Size | 1.42 | 1.23 inches | 1.2 inches | 1.2 inches | .721 inches |
| Touch | |||||
| Type | OLED | IPS LCD | MIP | MIP | OLED |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 50m | 5 ATM | 5 ATM | 10 ATM | 5 ATM |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | Fitbit OS | Wear OS | NA | ||
| Apps | |||||
| Music | |||||