Garmin Vivosmart HR vs. Fitbit Charge 3 vs. Garmin Instinct vs. Garmin Vivosmart 4 vs. Amazfit T-Rex

 
Vivosmart HR
Charge 3
Instinct
Vivosmart 4
T-Rex
 GarminVivosmart HRRemove Buy NowFitbitCharge 3Remove Buy NowGarminInstinctRemove Buy NowGarminVivosmart 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$170$150$300$130$140
Release20152018201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days14 days7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/aNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution160 x 6866 x 18128 x 12848 x 128360 x 360
Size1.08 inches.721 inches0.9 inches0.74 inches1.3 inches
Touch
Typen/aOLEDOMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM10 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNABuild-in
Apps
Music

All Wearables