Fitbit Charge 2 vs. Fitbit Versa 2 vs. Michael Kors Access Sofie HR vs. Xiaomi Mi Band 4

 
Charge 2
Versa 2
Access Sofie HR
Mi Band 4
 FitbitCharge 2Remove Buy NowFitbitVersa 2Remove Buy NowMichael KorsAccess Sofie HRRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$150$199$395$25
Release2016201920192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days2 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a300 x 300390 x 390120x240
Sizen/a1.34 inches1.19 inches0.95 inches
Touchn/a
TypeOLEDAMOLEDOMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM0.3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aBuild-inWear OSAMAZFIT OS
Apps
Music

All Wearables