Fitbit Ionic vs. Garmin Fenix 5 vs. Asus VivoWatch vs. Fitbit Charge 3 vs. Amazfit T-Rex

 
Ionic
Fenix 5
VivoWatch
Charge 3
T-Rex
 FitbitIonicRemove Buy NowGarminFenix 5Remove Buy NowAsusVivoWatchRemove Buy NowFitbitCharge 3Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$299$599.99$160$150$140
Release20172017201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days2 Weeks24 hours to 10 days7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNANot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution348x250240 x 240128 x 12866 x 18360 x 360
Size1.421.2 inchesNA.721 inches1.3 inches
Touch
TypeOLEDnaNAOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance50m10 ATMIP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSKoodOSNABuild-in
Apps
Music

All Wearables