Garmin Vivoactive HR vs. LG Watch Style vs. Fitbit Charge 3 vs. Garmin Vivosmart 4 vs. Amazfit T-Rex

 
Vivoactive HR
Watch Style
Charge 3
Vivosmart 4
T-Rex
 GarminVivoactive HRRemove Buy NowLGWatch StyleRemove Buy NowFitbitCharge 3Remove Buy NowGarminVivosmart 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$249$150$130$140
Release20162017201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration13 hours to 8 days7 days7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Macn/a
Windowsn/aNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution148 x 205360 x 36066 x 1848 x 128360 x 360
Size1.38 inches1.2 inches.721 inches0.74 inches1.3 inches
Touch
Typen/aP-OLEDOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2NABuild-in
Apps
Music

All Wearables