Misfit Ray vs. Polar Loop 2 vs. Amazfit Cor vs. Asus VivoWatch vs. Xiaomi Mi Band 4
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| MisfitRayRemove Buy Now | PolarLoop 2Remove Buy Now | AmazfitCorRemove Buy Now | AsusVivoWatchRemove Buy Now | XiaomiMi Band 4Remove Buy Now |
Basic Info | |||||
| Suggested Price | $100 | $120 | $79.99 | $160 | $25 |
| Release | 2016 | 2015 | 2018 | 2018 | 2019 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 6 months | 8 days (without notifications) | 12 days | 24 hours to 10 days | 20 days |
| 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 | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | n/a | ||||
| Resolution | n/a | n/a | 80 x 160 | 128 x 128 | 120x240 |
| Size | n/a | n/a | 1.23 inches | NA | 0.95 inches |
| Touch | n/a | ||||
| Type | LED | LED | IPS LCD | NA | AMOLED |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | NA | ||||
| Ultraviolet Sensor | |||||
| Water Resistance | 5 ATM | 2 ATM | 5 ATM | IP67 | 5 ATM |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | n/a | n/a | KoodOS | AMAZFIT OS | |
| Apps | |||||
| Music | |||||