Fitbit Charge 2 vs. Garmin Vivofit 3 vs. ASUS ZenWatch 3 vs. Garmin 645 Music vs. Garmin Vivosmart 4

 
Charge 2
Vivofit 3
ZenWatch 3
645 Music
Vivosmart 4
 FitbitCharge 2Remove Buy NowGarminVivofit 3Remove Buy NowASUSZenWatch 3Remove Buy NowGarmin645 MusicRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$150$100$229$450$130
Release20162016201720182018

Activity & Fitness

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

Battery

Duration5 days1 year48 hours7 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Macn/a
Windowsn/a

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a64 x 64400 x 400240 x 24048 x 128
Sizen/a0.55 inches1.39 inches1.2 inches0.74 inches
Touchn/a
TypeOLEDn/aAMOLEDMIPOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2
Apps
Music

All Wearables