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

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

Basic Info

Suggested Price$300$130$23$1500$25
Release20152016201620182019

Activity & Fitness

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

Battery

Duration2-3 days5 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/an/a218 x 218120x240
Size1.2 inchesn/a0.42 inches1.2 inches0.95 inches
Touchn/a
TypeSuper AMOLEDOLEDOLEDMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68n/aIP6710 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemTizenn/an/aWear OSAMAZFIT OS
Apps
Music

All Wearables