Polar M400 vs. Amazfit Pace vs. Garmin Vivofit 4 vs. LG G Watch R vs. Michael Kors Access Sofie HR
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| PolarM400Remove Buy Now | AmazfitPaceRemove Buy Now | GarminVivofit 4Remove Buy Now | LGG Watch RRemove Buy Now | Michael KorsAccess Sofie HRRemove Buy Now |
Basic Info | |||||
| Suggested Price | $200 | $130 | $79.95 | $300 | $395 |
| Release | 2014 | 2017 | 2018 | 2014 | 2019 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 8 hours to 30 days | 5 days | 1 year | 2 days | 2 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | n/a | |||
| Mac | n/a | ||||
| Windows | n/a | ||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | n/a | 320 x 300 | 88 x 88 | 320 x 320 | 390 x 390 |
| Size | n/a | 1.34 inches | NA | 1.3 inches | 1.19 inches |
| Touch | |||||
| Type | n/a | TFT LCD | NA | P-OLED | OMOLED |
Functions | |||||
| Audio Speaker | Alerts only | ||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 3 ATM | IP67 | 5 ATM | IP67 | 0.3 ATM |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | n/a | Proprietary | Android Wear | Wear OS | |
| Apps | |||||
| Music | |||||