Garmin Forerunner 735XT vs. Asus ZenWatch vs. Garmin 645 Music vs. Fitbit Flex vs. Garmin Vivofit 4

 
Forerunner 735XT
ZenWatch
645 Music
Flex
Vivofit 4
 GarminForerunner 735XTRemove Buy NowAsusZenWatchRemove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$450$150$450$100$79.95
Release20162014201820132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 daysNA7 days5 days1 year
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution215 x 180320 x 320240 x 240NA88 x 88
Size1.23 inches1.63 inches1.2 inchesNANA
Touchn/aNA
Typen/aAMOLEDMIPLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP555 ATM1 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearNA
Apps
Music

All Wearables