ASUS ZenWatch 2 vs. Garmin Vivoactive HR vs. Polar M400 vs. Huawei Talkband B2 vs. Garmin 645 Music

 
ZenWatch 2
Vivoactive HR
M400
Talkband B2
645 Music
 ASUSZenWatch 2Remove Buy NowGarminVivoactive HRRemove Buy NowPolarM400Remove Buy NowHuaweiTalkband B2Remove Buy NowGarmin645 MusicRemove Buy Now

Basic Info

Suggested Price$150$250$200$180$450
Release20162016201420152018

Activity & Fitness

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

Battery

Durationn/a13 hours to 8 days8 hours to 30 days3 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320148 x 205n/a128 x 88240 x 240
Size1.63 inches or 1.45 inch1.38 inchesn/a0.73 inches1.2 inches
Touch
TypeAMOLEDn/an/aPMOLEDMIP

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM3 ATMIP575 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/an/an/a
Apps
Music

All Wearables