Garmin Fenix 3 vs. Fitbit Flex 2 vs. Garmin Forerunner 935 vs. Asus ZenWatch vs. Amazfit T-Rex

 
Fenix 3
Flex 2
Forerunner 935
ZenWatch
T-Rex
 GarminFenix 3Remove Buy NowFitbitFlex 2Remove Buy NowGarminForerunner 935Remove Buy NowAsusZenWatchRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$500$100$500$150$140
Release20152016201720142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration50 hours to 6 weeks5 daysUp to 2 weeksNA20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution218 x 218n/a240 x 240320 x 320360 x 360
Size1.2 inchesn/a1.2 inches1.63 inches1.3 inches
Touchn/a
TypeChroma LEDLEDLCDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATM5 ATM5 ATMIP555 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/an/aAndroid WearBuild-in
Apps
Music

All Wearables