Samsung Gear S2 vs. Garmin Chronos vs. Fitbit Flex vs. Xiaomi Mi Band 4 vs. Garmin Vivosmart 4

 
Gear S2
Chronos
Flex
Mi Band 4
Vivosmart 4
 SamsungGear S2Remove Buy NowGarminChronosRemove Buy NowFitbitFlexRemove Buy NowXiaomiMi Band 4Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$300$1500$100$25$130
Release20152018201320192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days8 days5 days20 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360218 x 218NA120x24048 x 128
Size1.2 inches1.2 inchesNA0.95 inches0.74 inches
TouchNA
TypeSuper AMOLEDMIPLEDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP6810 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenWear OSNAAMAZFIT OS
Apps
Music

All Wearables