Garmin Fenix 3 vs. Garmin Vivosmart HR vs. Asus VivoWatch vs. Garmin Forerunner 45 vs. Amazfit T-Rex

 
Fenix 3
Vivosmart HR
VivoWatch
Forerunner 45
T-Rex
 GarminFenix 3Remove Buy NowGarminVivosmart HRRemove Buy NowAsusVivoWatchRemove Buy NowGarminForerunner 45Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$500$170$160$199$140
Release20152015201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration50 hours to 6 weeks5 days24 hours to 10 days7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218 x 218160 x 68128 x 128208 x 208360 x 360
Size1.2 inches1.08 inchesNA1.04 inches1.3 inches
Touch
TypeChroma LEDn/aNALCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance10 ATM5 ATMIP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aKoodOSBuilt-inBuild-in
Apps
Music

All Wearables