Garmin Vivoactive vs. Fitbit Flex 2 vs. Garmin Vivosmart vs. ASUS ZenWatch 3 vs. Amazfit T-Rex

 
Vivoactive
Flex 2
Vivosmart
ZenWatch 3
T-Rex
 GarminVivoactiveRemove Buy NowFitbitFlex 2Remove Buy NowGarminVivosmartRemove Buy NowASUSZenWatch 3Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$100$170$229$140
Release20152016201420172019

Activity & Fitness

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

Battery

Duration14 hours to 11 days5 days7 days48 hours20 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution205 x 148n/a128 x 16400 x 400360 x 360
Size1.38 inchesn/a1.41 inches1.39 inches1.3 inches
Touchn/a
TypeLCDLEDOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aAndroid Wear 2Build-in
Apps
Music

All Wearables