Samsung Gear Fit2 vs. Fitbit Alta HR vs. Fitbit Charge 3 vs. Fitbit Flex vs. Xiaomi Mi Band 4

 
Gear Fit2
Alta HR
Charge 3
Flex
Mi Band 4
 SamsungGear Fit2Remove Buy NowFitbitAlta HRRemove Buy NowFitbitCharge 3Remove Buy NowFitbitFlexRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$180$150$150$100$25
Release20162017201820132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration3-4 days7 days7 days5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Macn/a
Windowsn/aNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution432 x 216128 x 3666 x 18NA120x240
Size1.5 inches1.4 inches.721 inchesNA0.95 inches
TouchNA
TypeSuper AMOLEDOLEDOLEDLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenNANAAMAZFIT OS
Apps
Music

All Wearables