Samsung Gear S vs. Fitbit Charge 2 vs. Fitbit Flex vs. Garmin Vivosmart HR Plus vs. Xiaomi Mi Band 3

 
Gear S
Charge 2
Flex
Vivosmart HR Plus
Mi Band 3
 SamsungGear SRemove Buy NowFitbitCharge 2Remove Buy NowFitbitFlexRemove Buy NowGarminVivosmart HR PlusRemove Buy NowXiaomiMi Band 3Remove Buy Now

Basic Info

Suggested Price$250$150$100$179$44.95
Release20132016201320172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days5 days5 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution480 x 360n/aNA160 x 68128 x 80
Size2 inchesn/aNA0.5 inches x 0.8 inches0.78 inches
Touchn/aNA
TypeSuper AMOLEDOLEDLEDLCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67n/a1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aNANA
Apps
Music

All Wearables