Samsung Gear S2 vs. Xiaomi Mi Band 2 vs. Garmin Chronos vs. Xiaomi Mi Band 4

 
Gear S2
Mi Band 2
Chronos
Mi Band 4
 SamsungGear S2Remove Buy NowXiaomiMi Band 2Remove Buy NowGarminChronosRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$300$23$1500$25
Release2015201620182019

Activity & Fitness

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

Battery

Duration2-3 days20 hours8 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360n/a218 x 218120x240
Size1.2 inches0.42 inches1.2 inches0.95 inches
Touch
TypeSuper AMOLEDOLEDMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68IP6710 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aWear OSAMAZFIT OS
Apps
Music

All Wearables