Polar M400 vs. Samsung Gear S2 vs. Moov Now vs. Pebble Core vs. Amazfit T-Rex
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| PolarM400Remove Buy Now | SamsungGear S2Remove Buy Now | MoovNowRemove Buy Now | PebbleCoreRemove Buy Now | AmazfitT-RexRemove Buy Now |
Basic Info | |||||
| Suggested Price | $200 | $300 | $79 | $99 | $140 |
| Release | 2014 | 2015 | 2015 | 2016 | 2019 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | NA | ||||
| Distance | |||||
| Heart | n/a | n/a | |||
| Oxygen | |||||
| Sleep | NA | ||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 8 hours to 30 days | 2-3 days | 6 months | NA | 20 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | NA | ||||
| Windows Phone | n/a | n/a | n/a | NA | |
| Mac | n/a | n/a | NA | ||
| Windows | n/a | n/a | NA | ||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | n/a | ||||
| GPS | n/a | ||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | n/a | 360 x 360 | n/a | NA | 360 x 360 |
| Size | n/a | 1.2 inches | n/a | NA | 1.3 inches |
| Touch | n/a | NA | |||
| Type | n/a | Super AMOLED | n/a | NA | AMOLED |
Functions | |||||
| Audio Speaker | Alerts only | ||||
| Clock | |||||
| Phone | NA | ||||
| Vibration | n/a | NA | |||
| Voice | |||||
Hardware | |||||
| Accelerometer | NA | ||||
| Barometer or Altimeter | n/a | ||||
| Ultraviolet Sensor | |||||
| Water Resistance | 3 ATM | IP68 | n/a | NA | 5 ATM |
Notifications | |||||
| Phone | NA | ||||
| Emails | NA | ||||
| Texts | NA | ||||
Software | |||||
| Operating System | n/a | Tizen | n/a | NA | Build-in |
| Apps | |||||
| Music | |||||