Polar M400 vs. Fossil Q Reveler vs. Diesel On Full Guard vs. Amazfit GTS vs. Fitbit Sense 2
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| PolarM400Remove Buy Now | FossilQ RevelerRemove Buy Now | DieselOn Full GuardRemove Buy Now | AmazfitGTSRemove Buy Now | FitbitSense 2Remove Buy Now |
Basic Info | |||||
| Suggested Price | $200 | $125 | $325 | $150 | $300 |
| Release | 2014 | 2015 | 2017 | 2019 | 2022 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 8 hours to 30 days | 7 days | 1 day | 14 days | 6 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | ||||
| Mac | n/a | ||||
| Windows | n/a | ||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | n/a | ||||
| Resolution | n/a | n/a | 454 x 454 | 348 x 442 | 336x336 |
| Size | n/a | n/a | 1.4 inches | 1.65 inches | 1.59 inches |
| Touch | n/a | ||||
| Type | n/a | n/a | OMOLED | AMOLED | AMOLED |
Functions | |||||
| Audio Speaker | Alerts only | ||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 3 ATM | IP67 | IP67 | 5 ATM | 5 ATM |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | n/a | n/a | Android Wear 2.0 | Wear OS | |
| Apps | |||||
| Music | |||||