Polar M400 vs. Samsung Gear S2 vs. Fitbit Ionic vs. Swatch Touch Zero One vs. Garmin VivoActive 4
 | | | | | |
| PolarM400Remove Buy Now | SamsungGear S2Remove Buy Now | FitbitIonicRemove Buy Now | SwatchTouch Zero OneRemove Buy Now | GarminVivoActive 4Remove Buy Now |
Basic Info | |||||
| Suggested Price | $200 | $300 | $299 | $220 | $349 |
| Release | 2014 | 2015 | 2017 | 2015 | 2019 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | n/a | ||||
| Steps | |||||
| Swim | n/a | ||||
Battery | |||||
| Duration | 8 hours to 30 days | 2-3 days | 4+ days | n/a | 8 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | n/a | ||||
| iOS | n/a | ||||
| Windows Phone | n/a | n/a | n/a | ||
| Mac | n/a | n/a | |||
| Windows | n/a | n/a | |||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | n/a | ||||
| GPS | n/a | ||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | n/a | 360 x 360 | 348x250 | n/a | 260 x 260 |
| Size | n/a | 1.2 inches | 1.42 | n/a | 1.3ionches |
| Touch | |||||
| Type | n/a | Super AMOLED | OLED | n/a | MIP |
Functions | |||||
| Audio Speaker | Alerts only | n/a | |||
| Clock | |||||
| Phone | n/a | ||||
| Vibration | n/a | ||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | n/a | ||||
| Ultraviolet Sensor | |||||
| Water Resistance | 3 ATM | IP68 | 50m | 5 ATM | |
Notifications | |||||
| Phone | n/a | ||||
| Emails | n/a | ||||
| Texts | n/a | ||||
Software | |||||
| Operating System | n/a | Tizen | Fitbit OS | n/a | Wear OS |
| Apps | |||||
| Music | n/a | ||||