Fitbit Charge 2 vs. Apple Watch vs. Fitbit Flex vs. Xiaomi Mi Band 3

 
Charge 2
Watch
Flex
Mi Band 3
 FitbitCharge 2Remove Buy NowAppleWatchRemove Buy NowFitbitFlexRemove Buy NowXiaomiMi Band 3Remove Buy Now

Basic Info

Suggested Price$150$349$100$44.95
Release2016201520132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312NA128 x 80
Sizen/a1.5 inches or 1.65 inchesNA0.78 inches
Touchn/aNA
TypeOLEDAMOLEDLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIPX71 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSNA
Apps
Music

All Wearables