Fitbit Ionic vs. LG Watch Sport vs. Garmin 645 Music vs. Garmin Chronos vs. Amazfit T-Rex

 
Ionic
Watch Sport
645 Music
Chronos
T-Rex
 FitbitIonicRemove Buy NowLGWatch SportRemove Buy NowGarmin645 MusicRemove Buy NowGarminChronosRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$299$349$450$1500$140
Release20172016201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days1.45 days7 days8 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250480 x 480240 x 240218 x 218360 x 360
Size1.421.38 inches1.2 inches1.2 inches1.3 inches
Touch
TypeOLEDP-OLEDMIPMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50mIP685 ATM10 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSAndroid Wear 2Wear OSBuild-in
Apps
Music

All Wearables