Fitbit One vs. Garmin Vivosmart HR vs. Samsung Gear Fit2 vs. ASUS ZenWatch 3 vs. Amazfit T-Rex

 
One
Vivosmart HR
Gear Fit2
ZenWatch 3
T-Rex
 FitbitOneRemove Buy NowGarminVivosmart HRRemove Buy NowSamsungGear Fit2Remove Buy NowASUSZenWatch 3Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$170$180$229$140
Release20122015201620172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days5 days3-4 days48 hours20 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68432 x 216400 x 400360 x 360
Sizen/a1.08 inches1.5 inches1.39 inches1.3 inches
Touch
TypeOLEDn/aSuper AMOLEDAMOLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant5 ATMIP685 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aTizenAndroid Wear 2Build-in
Apps
Music

All Wearables