Fitbit Ionic vs. Asus VivoWatch vs. Garmin Fenix 5s Plus vs. Garmin Vivofit 4 vs. Amazfit T-Rex

 
Ionic
VivoWatch
Fenix 5s Plus
Vivofit 4
T-Rex
 FitbitIonicRemove Buy NowAsusVivoWatchRemove Buy NowGarminFenix 5s PlusRemove Buy NowGarminVivofit 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$299$160$799$79.95$140
Release20172018201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days24 hours to 10 days7 days1 year20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250128 x 128240 x 24088 x 88360 x 360
Size1.42NA1.2 inchesNA1.3 inches
Touch
TypeOLEDNAMIPNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance50mIP6710 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSKoodOSWear OSBuild-in
Apps
Music

All Wearables