Garmin Fenix 3 vs. Garmin Vivoactive vs. Fitbit Ionic vs. Fitbit Inspire HR vs. Amazfit T-Rex

 
Fenix 3
Vivoactive
Ionic
Inspire HR
T-Rex
 GarminFenix 3Remove Buy NowGarminVivoactiveRemove Buy NowFitbitIonicRemove Buy NowFitbitInspire HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$500$250$299$99$140
Release20152015201720192019

Activity & Fitness

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

Battery

Duration50 hours to 6 weeks14 hours to 11 days4+ days5 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218 x 218205 x 148348x250139 x 60360 x 360
Size1.2 inches1.38 inches1.421.4 inches1.3 inches
Touch
TypeChroma LEDLCDOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATM5 ATM50m5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aFitbit OSFitbit OSBuild-in
Apps
Music

All Wearables