Polar M400 vs. Garmin Forerunner 235 vs. Mobvoi TicWatch e2 vs. Amazfit GTS vs. HTC re Grip
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| PolarM400Remove Buy Now | GarminForerunner 235Remove Buy Now | MobvoiTicWatch e2Remove Buy Now | AmazfitGTSRemove Buy Now | HTCre GripRemove Buy Now |
Basic Info | |||||
| Suggested Price | $200 | $299.99 | $200 | $150 | $199 |
| Release | 2014 | 2017 | 2019 | 2019 | 2020 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 8 hours to 30 days | 9 days | 1 day | 14 days | 5 hours to 2.5 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | NA | |||
| Mac | NA | ||||
| Windows | NA | ||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | n/a | 215 x 180 | 360 x 360 | 348 x 442 | 160 x 32 |
| Size | n/a | 1.23 inches | 1.2 inches | 1.65 inches | 1.8 inches |
| Touch | |||||
| Type | n/a | MIP | AMOLED | AMOLED | PMOLED |
Functions | |||||
| Audio Speaker | Alerts only | ||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 3 ATM | 5 ATM | IP68 | 5 ATM | IP57 |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | n/a | Wear OS | Wear OS | NA | |
| Apps | |||||
| Music | |||||