Garmin Forerunner 735XT vs. Polar M400 vs. Asus ZenWatch vs. Fitbit Alta HR vs. Garmin Vivosmart 4

 
Forerunner 735XT
M400
ZenWatch
Alta HR
Vivosmart 4
 GarminForerunner 735XTRemove Buy NowPolarM400Remove Buy NowAsusZenWatchRemove Buy NowFitbitAlta HRRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$450$200$150$150$130
Release20162014201420172018

Activity & Fitness

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

Battery

Duration14 hours to 11 days8 hours to 30 daysNA7 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution215 x 180n/a320 x 320128 x 3648 x 128
Size1.23 inchesn/a1.63 inches1.4 inches0.74 inches
Touchn/a
Typen/an/aAMOLEDOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMIP555 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/an/aAndroid Wear
Apps
Music

All Wearables