Polar M400 vs. Samsung Gear 2 vs. Garmin Forerunner 45 vs. Swatch Touch Zero One vs. Amazfit GTS
 | | | | | |
| PolarM400Remove Buy Now | SamsungGear 2Remove Buy Now | GarminForerunner 45Remove Buy Now | SwatchTouch Zero OneRemove Buy Now | AmazfitGTSRemove Buy Now |
Basic Info | |||||
| Suggested Price | $200 | $300 | $199 | $220 | $150 |
| Release | 2014 | 2014 | 2019 | 2015 | 2019 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | n/a | ||||
| Steps | NA | ||||
| Swim | n/a | ||||
Battery | |||||
| Duration | 8 hours to 30 days | 2-3 days | 7 days | n/a | 14 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | n/a | ||||
| iOS | n/a | ||||
| Windows Phone | n/a | NA | n/a | ||
| Mac | NA | n/a | |||
| Windows | NA | n/a | |||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | n/a | 320 x 320 | 208 x 208 | n/a | 348 x 442 |
| Size | n/a | 1.63 inches | 1.04 inches | n/a | 1.65 inches |
| Touch | |||||
| Type | n/a | Super AMOLED | LCD | n/a | AMOLED |
Functions | |||||
| Audio Speaker | Alerts only | Bluetooth | n/a | ||
| Clock | |||||
| Phone | n/a | ||||
| Vibration | n/a | ||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | n/a | ||||
| Ultraviolet Sensor | |||||
| Water Resistance | 3 ATM | IP67 | 5 ATM | 5 ATM | |
Notifications | |||||
| Phone | n/a | ||||
| Emails | n/a | ||||
| Texts | n/a | ||||
Software | |||||
| Operating System | n/a | Tizen OS | Built-in | n/a | Wear OS |
| Apps | |||||
| Music | n/a | ||||