Samsung Gear S2 vs. Sony SmartBand vs. Garmin Instinct vs. Xiaomi Mi Band 4 vs. Amazfit T-Rex

 
Gear S2
SmartBand
Instinct
Mi Band 4
T-Rex
 SamsungGear S2Remove Buy NowSonySmartBandRemove Buy NowGarminInstinctRemove Buy NowXiaomiMi Band 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$300$100$300$25$140
Release20152014201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days5 days14 days20 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

ColorNA
Resolution360 x 360NA128 x 128120x240360 x 360
Size1.2 inchesNA0.9 inches0.95 inches1.3 inches
TouchNA
TypeSuper AMOLEDNAOMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68IP5810 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenNAAMAZFIT OSBuild-in
Apps
Music

All Wearables