ASUS ZenWatch 2 vs. Fitbit Alta vs. Garmin 645 Music vs. Fitbit Charge

 
ZenWatch 2
Alta
645 Music
Charge
 ASUSZenWatch 2Remove Buy NowFitbitAltaRemove Buy NowGarmin645 MusicRemove Buy NowFitbitChargeRemove Buy Now

Basic Info

Suggested Price$150$130$450$130
Release2016201620182014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days7 days7-10 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/a240 x 240NA
Size1.63 inches or 1.45 inchn/a1.2 inchesNA
Touchn/aNA
TypeAMOLEDOLEDMIPOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67n/a5 ATM1 ATM

Notifications

Phone
Emailsn/an/a
Textsn/a

Software

Operating SystemAndroid Wearn/aNA
Apps
Music

All Wearables