Fitbit Charge 2 vs. Jawbone UP2 vs. Michael Kors Access Sofie HR vs. Xiaomi Mi Band 4

 
Charge 2
UP2
Access Sofie HR
Mi Band 4
 FitbitCharge 2Remove Buy NowJawboneUP2Remove Buy NowMichael KorsAccess Sofie HRRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$150$100$395$25
Release2016201520192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days2 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNA390 x 390120x240
Sizen/aNA1.19 inches0.95 inches
Touchn/aNA
TypeOLEDNAOMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aSplash resistant0.3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAWear OSAMAZFIT OS
Apps
Music

All Wearables