Fitbit Flex 2 vs. Garmin Vivosmart vs. ASUS ZenWatch 3 vs. Garmin Vivosmart 4

 
Flex 2
Vivosmart
ZenWatch 3
Vivosmart 4
 FitbitFlex 2Remove Buy NowGarminVivosmartRemove Buy NowASUSZenWatch 3Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$100$170$229$130
Release2016201420172018

Activity & Fitness

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

Battery

Duration5 days7 days48 hours7 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 16400 x 40048 x 128
Sizen/a1.41 inches1.39 inches0.74 inches
Touchn/a
TypeLEDOLEDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2
Apps
Music

All Wearables