Fitbit Flex 2 vs. ASUS ZenWatch 3 vs. Fitbit Flex vs. Garmin Vivosmart 3 vs. Garmin Forerunner 45

 
Flex 2
ZenWatch 3
Flex
Vivosmart 3
Forerunner 45
 FitbitFlex 2Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 3Remove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$100$229$100$139.99$199
Release20162017201320172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours5 days5 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a400 x 400NA64 x 128208 x 208
Sizen/a1.39 inchesNANA1.04 inches
Touchn/aNA
TypeLEDAMOLEDLEDOLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2NABuilt-in
Apps
Music

All Wearables