Polar M400 vs. Samsung Gear S2 vs. Samsung Gear S3 vs. Apple Watch Series 2 vs. LG Watch Urbane
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| PolarM400Remove Buy Now | SamsungGear S2Remove Buy Now | SamsungGear S3Remove Buy Now | AppleWatch Series 2Remove Buy Now | LGWatch UrbaneRemove Buy Now |
Basic Info | |||||
| Suggested Price | $200 | $300 | $350 | $269 | $245 |
| Release | 2014 | 2015 | 2016 | 2016 | 2015 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | n/a | NA | |||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 8 hours to 30 days | 2-3 days | 4 days | 18 hours | NA |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | n/a | NA | ||
| Mac | n/a | n/a | NA | ||
| Windows | n/a | n/a | NA | ||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | n/a | n/a | |||
| GPS | n/a | ||||
| NFC | n/a | ||||
| Wi-Fi | NA | ||||
Display | |||||
| Color | |||||
| Resolution | n/a | 360 x 360 | 360 x 360 | 340 x 272 or 390 x 312 | 320 x 320 |
| Size | n/a | 1.2 inches | 1.3 inches | 1.5 inches or 1.65 inches | 1.3 inches |
| Touch | |||||
| Type | n/a | Super AMOLED | Fullcolor AOD | AMOLED | P-OLED |
Functions | |||||
| Audio Speaker | Alerts only | ||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 3 ATM | IP68 | IP68 | 5ATM | IP67 |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | n/a | Tizen | Tizen | Watch OS | Android Wear |
| Apps | |||||
| Music | |||||