Garmin Vivoactive HR vs. Fitbit Flex 2 vs. Fitbit Ionic vs. Asus ZenWatch vs. Amazfit T-Rex

 
Vivoactive HR
Flex 2
Ionic
ZenWatch
T-Rex
 GarminVivoactive HRRemove Buy NowFitbitFlex 2Remove Buy NowFitbitIonicRemove Buy NowAsusZenWatchRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$100$299$150$140
Release20162016201720142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration13 hours to 8 days5 days4+ daysNA20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution148 x 205n/a348x250320 x 320360 x 360
Size1.38 inchesn/a1.421.63 inches1.3 inches
Touchn/a
Typen/aLEDOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM50mIP555 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/an/aFitbit OSAndroid WearBuild-in
Apps
Music

All Wearables