Polar M400 vs. Huawei Talkband B2 vs. Asus VivoWatch vs. Fitbit Charge HR vs. Garmin Vivofit 4

 
M400
Talkband B2
VivoWatch
Charge HR
Vivofit 4
 PolarM400Remove Buy NowHuaweiTalkband B2Remove Buy NowAsusVivoWatchRemove Buy NowFitbitCharge HRRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$200$180$160$150$79.95
Release20142015201820152018

Activity & Fitness

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

Battery

Duration8 hours to 30 days3 days24 hours to 10 days5 days1 year
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 88128 x 128NA88 x 88
Sizen/a0.73 inchesNANANA
TouchNA
Typen/aPMOLEDNAOLEDNA

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance3 ATMIP57IP671 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aKoodOSNA
Apps
Music

All Wearables