Polar V800 vs. Casio G-Shock GBA800 vs. Michael Kors Access Sofie HR vs. Xiaomi Mi Band 4 vs. Fitbit Inspire HR

 
V800
G-Shock GBA800
Access Sofie HR
Mi Band 4
Inspire HR
 PolarV800Remove Buy NowCasioG-Shock GBA800Remove Buy NowMichael KorsAccess Sofie HRRemove Buy NowXiaomiMi Band 4Remove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$470$120$395$25$99
Release20142018201920192019

Activity & Fitness

Calories
Cycling (Bicycling)n/a
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration13 hours to 30 days2 years2 days20 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a390 x 390120x240139 x 60
Sizen/a1.19 inches0.95 inches1.4 inches
Touch
Typen/aOMOLEDAMOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM20 ATM0.3 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSAMAZFIT OSFitbit OS
Apps
Music

All Wearables