Fitbit Flex 2 vs. Garmin Vivosmart HR vs. ASUS ZenWatch 3 vs. Amazfit Bip vs. Garmin Vivofit 4

 
Flex 2
Vivosmart HR
ZenWatch 3
Bip
Vivofit 4
 FitbitFlex 2Remove Buy NowGarminVivosmart HRRemove Buy NowASUSZenWatch 3Remove Buy NowAmazfitBipRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$100$170$229$99.99$79.95
Release20162015201720182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days48 hours30 days1 year
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a160 x 68400 x 400176 x 17688 x 88
Sizen/a1.08 inches1.39 inches1.28 inchesNA
Touchn/a
TypeLEDn/aAMOLEDNANA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP685 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2
Apps
Music

All Wearables