Polar M400 vs. Garmin Fenix 5 vs. Amazfit Bip vs. Casio G-Shock GBA800 vs. Amazfit T-Rex
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| PolarM400Remove Buy Now | GarminFenix 5Remove Buy Now | AmazfitBipRemove Buy Now | CasioG-Shock GBA800Remove Buy Now | AmazfitT-RexRemove Buy Now |
Basic Info | |||||
| Suggested Price | $200 | $599.99 | $99.99 | $120 | $140 |
| Release | 2014 | 2017 | 2018 | 2018 | 2019 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 8 hours to 30 days | 2 Weeks | 30 days | 2 years | 20 days |
| 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 | 176 x 176 | 360 x 360 | |
| Size | n/a | 1.2 inches | 1.28 inches | 1.3 inches | |
| Touch | |||||
| Type | n/a | na | NA | AMOLED | |
Functions | |||||
| Audio Speaker | Alerts only | ||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 3 ATM | 10 ATM | IP68 | 20 ATM | 5 ATM |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | n/a | Build-in | |||
| Apps | |||||
| Music | |||||