Garmin Fenix 5s vs. Asus ZenWatch vs. Fitbit Charge 3 vs. Polar A370 vs. Amazfit T-Rex

 
Fenix 5s
ZenWatch
Charge 3
A370
T-Rex
 GarminFenix 5sRemove Buy NowAsusZenWatchRemove Buy NowFitbitCharge 3Remove Buy NowPolarA370Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$599.99$150$150$179.95$140
Release20172014201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

DurationUp to 9 daysNA7 daysUp to 3 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNANot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution218x 218320 x 32066 x 18160 x 80360 x 360
Size1.1 inches1.63 inches.721 inches1.18 inches1.3 inches
Touch
TypenaAMOLEDOLEDTFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10ATMIP555 ATMWR305 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemAndroid WearNABuild-in
Apps
Music

All Wearables