Garmin Vivoactive HR vs. Garmin Vivosmart HR vs. Diesel On Full Guard vs. Garmin Vivofit 4 vs. Amazfit T-Rex

 
Vivoactive HR
Vivosmart HR
On Full Guard
Vivofit 4
T-Rex
 GarminVivoactive HRRemove Buy NowGarminVivosmart HRRemove Buy NowDieselOn Full GuardRemove Buy NowGarminVivofit 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$170$325$79.95$140
Release20162015201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration13 hours to 8 days5 days1 day1 year20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution148 x 205160 x 68454 x 45488 x 88360 x 360
Size1.38 inches1.08 inches1.4 inchesNA1.3 inches
Touch
Typen/an/aOMOLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0Build-in
Apps
Music

All Wearables