Pebble Steel vs. Polar M400 vs. Garmin Vivosmart HR vs. Asus ZenWatch vs. Garmin Vivosmart 4

 
Steel
M400
Vivosmart HR
ZenWatch
Vivosmart 4
 PebbleSteelRemove Buy NowPolarM400Remove Buy NowGarminVivosmart HRRemove Buy NowAsusZenWatchRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$150$200$170$150$130
Release20142014201520142018

Activity & Fitness

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

Battery

Duration5-7 days8 hours to 30 days5 daysNA7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/a160 x 68320 x 32048 x 128
Size1.26 inchesn/a1.08 inches1.63 inches0.74 inches
Touch
Typee-papern/an/aAMOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM5 ATMIP555 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemPebble OSn/an/aAndroid Wear
Apps
Music

All Wearables