Fitbit Flex 2 vs. ASUS ZenWatch 3 vs. Fitbit Charge vs. Fitbit Charge 3 vs. Garmin VivoActive 4

 
Flex 2
ZenWatch 3
Charge
Charge 3
VivoActive 4
 FitbitFlex 2Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitChargeRemove Buy NowFitbitCharge 3Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$100$229$130$150$349
Release20162017201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours7-10 days7 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
WindowsNot yet

Connectivity

BluetoothYes
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/a400 x 400NA66 x 18260 x 260
Sizen/a1.39 inchesNA.721 inches1.3ionches
Touchn/aNA
TypeLEDAMOLEDOLEDOLEDMIP

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 2NANAWear OS
Apps
Music

All Wearables