Polar V800 vs. Fitbit Flex 2 vs. Withings Pulse Ox vs. Xiaomi Mi Band 4 vs. Apple Series 6
 | | | | | |
| PolarV800Remove Buy Now | FitbitFlex 2Remove Buy Now | WithingsPulse OxRemove Buy Now | XiaomiMi Band 4Remove Buy Now | AppleSeries 6Remove Buy Now |
Basic Info | |||||
| Suggested Price | $470 | $100 | $120 | $25 | $399 |
| Release | 2014 | 2016 | 2014 | 2019 | 2020 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | n/a | ||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 13 hours to 30 days | 5 days | 2 weeks | 20 days | Not yet |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | n/a | n/a | ||
| Mac | n/a | ||||
| Windows | n/a | ||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | n/a | blue | |||
| Resolution | n/a | n/a | 128 x 32 | 120x240 | 384 x 480 |
| Size | n/a | n/a | n/a | 0.95 inches | 40mm |
| Touch | n/a | Swipe | |||
| Type | n/a | LED | OLED | AMOLED | MicroLED |
Functions | |||||
| Audio Speaker | Alerts only | ||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | 5 ATM | ||||
| Water Resistance | 3 ATM | 5 ATM | 5 ATM | ||
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | n/a | n/a | n/a | AMAZFIT OS | WatchOS 5 |
| Apps | |||||
| Music | |||||