Fitbit Ionic vs. Asus ZenWatch vs. Garmin Chronos vs. Garmin Forerunner 45 vs. Amazfit GTR

 
Ionic
ZenWatch
Chronos
Forerunner 45
GTR
 FitbitIonicRemove Buy NowAsusZenWatchRemove Buy NowGarminChronosRemove Buy NowGarminForerunner 45Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$299$150$1500$199$199
Release20172014201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ daysNA8 days7 days24 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250320 x 320218 x 218208 x 208454 x 454
Size1.421.63 inches1.2 inches1.04 inches1.39 inches
Touch
TypeOLEDAMOLEDMIPLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50mIP5510 ATM5 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemFitbit OSAndroid WearWear OSBuilt-inBuild-in
Apps
Music

All Wearables