Garmin Forerunner 225 vs. Amazfit Bip vs. Fitbit Charge 3 vs. Amazfit T-Rex
 | | | | |
| GarminForerunner 225Remove Buy Now | AmazfitBipRemove Buy Now | FitbitCharge 3Remove Buy Now | AmazfitT-RexRemove Buy Now |
Basic Info | ||||
| Suggested Price | $300 | $99.99 | $150 | $140 |
| Release | 2015 | 2018 | 2018 | 2019 |
Activity & Fitness | ||||
| Calories | ||||
| Cycling (Bicycling) | ||||
| Distance | ||||
| Heart | ||||
| Oxygen | ||||
| Sleep | ||||
| Steps | ||||
| Swim | ||||
Battery | ||||
| Duration | 10 hours to 4 weeks | 30 days | 7 days | 20 days |
| Rechargeable | ||||
Compatibility | ||||
| Android | ||||
| iOS | ||||
| Windows Phone | n/a | |||
| Mac | n/a | |||
| Windows | n/a | Not yet | ||
Connectivity | ||||
| Bluetooth | ||||
| Cellular | ||||
| GPS | ||||
| NFC | NA | |||
| Wi-Fi | ||||
Display | ||||
| Color | ||||
| Resolution | 180 x 180 | 176 x 176 | 66 x 18 | 360 x 360 |
| Size | 1 inch | 1.28 inches | .721 inches | 1.3 inches |
| Touch | ||||
| Type | n/a | NA | OLED | AMOLED |
Functions | ||||
| Audio Speaker | 22 | |||
| Clock | ||||
| Phone | n/a | |||
| Vibration | ||||
| Voice | ||||
Hardware | ||||
| Accelerometer | ||||
| Barometer or Altimeter | ||||
| Ultraviolet Sensor | ||||
| Water Resistance | 5 ATM | IP68 | 5 ATM | 5 ATM |
Notifications | ||||
| Phone | n/a | |||
| Emails | n/a | |||
| Texts | n/a | |||
Software | ||||
| Operating System | n/a | NA | Build-in | |
| Apps | n/a | |||
| Music | n/a | |||