Samsung Gear S vs. Fitbit Flex 2 vs. Xiaomi Mi Band vs. Xiaomi Mi Band 4

 
Gear S
Flex 2
Mi Band
Mi Band 4
 SamsungGear SRemove Buy NowFitbitFlex 2Remove Buy NowXiaomiMi BandRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$250$100$15$25
Release2013201620152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days30 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/aNA
Resolution480 x 360n/aNA120x240
Size2 inchesn/aNA0.95 inches
Touchn/aNA
TypeSuper AMOLEDLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aNAAMAZFIT OS
Apps
Music

All Wearables