Samsung Gear S vs. Microsoft Band 2 vs. Xiaomi Mi Band 2 vs. Xiaomi Mi Band 4

 
Gear S
Band 2
Mi Band 2
Mi Band 4
 SamsungGear SRemove Buy NowMicrosoftBand 2Remove Buy NowXiaomiMi Band 2Remove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$250$250$23$25
Release2013201520162019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Stepsn/a
Swim

Battery

Durationn/a48 hours (without GPS)20 hours20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution480 x 360320 x 128n/a120x240
Size2 inches1.36 inches0.42 inches0.95 inches
Touch
TypeSuper AMOLEDCapacitative TFTOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IPX7IP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/an/aAMAZFIT OS
Apps
Music

All Wearables