Pebble Time Round vs. Polar M400 vs. Asus ZenWatch vs. Garmin Forerunner 235 vs. Fitbit Flex
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| PebbleTime RoundRemove Buy Now | PolarM400Remove Buy Now | AsusZenWatchRemove Buy Now | GarminForerunner 235Remove Buy Now | FitbitFlexRemove Buy Now |
Basic Info | |||||
| Suggested Price | $200 | $200 | $150 | $299.99 | $100 |
| Release | 2015 | 2014 | 2014 | 2017 | 2013 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 2 days | 8 hours to 30 days | NA | 9 days | 5 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | n/a | NA | NA | |
| Mac | n/a | NA | |||
| Windows | n/a | NA | |||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | n/a | n/a | 320 x 320 | 215 x 180 | NA |
| Size | round | n/a | 1.63 inches | 1.23 inches | NA |
| Touch | NA | ||||
| Type | e-paper | n/a | AMOLED | MIP | LED |
Functions | |||||
| Audio Speaker | Alerts only | ||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | IPX7 | 3 ATM | IP55 | 5 ATM | 1 ATM |
Notifications | |||||
| Phone | |||||
| Emails | NA | ||||
| Texts | NA | ||||
Software | |||||
| Operating System | Pebble OS | n/a | Android Wear | NA | |
| Apps | |||||
| Music | |||||