ASUS ZenWatch 2 vs. Fitbit Flex 2 vs. Asus ZenWatch vs. Garmin Vivofit 4 vs. Amazfit T-Rex

 
ZenWatch 2
Flex 2
ZenWatch
Vivofit 4
T-Rex
 ASUSZenWatch 2Remove Buy NowFitbitFlex 2Remove Buy NowAsusZenWatchRemove Buy NowGarminVivofit 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$100$150$79.95$140
Release20162016201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 daysNA1 year20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution320 x 320n/a320 x 32088 x 88360 x 360
Size1.63 inches or 1.45 inchn/a1.63 inchesNA1.3 inches
Touchn/a
TypeAMOLEDLEDAMOLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATMIP555 ATM5 ATM

Notifications

Phone
Emailsn/aNA
Textsn/aNA

Software

Operating SystemAndroid Wearn/aAndroid WearBuild-in
Apps
Music

All Wearables