Garmin Forerunner 735XT vs. Fitbit Flex 2 vs. Asus ZenWatch vs. Fitbit Charge HR vs. Garmin Vivosmart 4

 
Forerunner 735XT
Flex 2
ZenWatch
Charge HR
Vivosmart 4
 GarminForerunner 735XTRemove Buy NowFitbitFlex 2Remove Buy NowAsusZenWatchRemove Buy NowFitbitCharge HRRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$450$100$150$150$130
Release20162016201420152018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days5 daysNA5 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution215 x 180n/a320 x 320NA48 x 128
Size1.23 inchesn/a1.63 inchesNA0.74 inches
Touchn/an/aNA
Typen/aLEDAMOLEDOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP551 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/an/aAndroid WearNA
Apps
Music

All Wearables