Samsung Gear S vs. Fitbit Alta HR vs. Xiaomi Mi Band vs. Fitbit Versa 2 vs. Amazfit T-Rex

 
Gear S
Alta HR
Mi Band
Versa 2
T-Rex
 SamsungGear SRemove Buy NowFitbitAlta HRRemove Buy NowXiaomiMi BandRemove Buy NowFitbitVersa 2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$150$15$199$140
Release20132017201520192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a7 days30 days5 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolution480 x 360128 x 36NA300 x 300360 x 360
Size2 inches1.4 inchesNA1.34 inches1.3 inches
TouchNA
TypeSuper AMOLEDOLEDNAAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenNABuild-inBuild-in
Apps
Music

All Wearables