Apple Watch vs. Fitbit Charge HR vs. Garmin Vivosmart 4 vs. Amazfit T-Rex

 
Watch
Charge HR
Vivosmart 4
T-Rex
 AppleWatchRemove Buy NowFitbitCharge HRRemove Buy NowGarminVivosmart 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$349$150$130$140
Release2015201520182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312NA48 x 128360 x 360
Size1.5 inches or 1.65 inchesNA0.74 inches1.3 inches
TouchNA
TypeAMOLEDOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX71 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSNABuild-in
Apps
Music

All Wearables