ASUS ZenWatch 2 vs. Garmin Vivoactive vs. Garmin 645 Music vs. Fitbit Charge HR vs. HTC re Grip

 
ZenWatch 2
Vivoactive
645 Music
Charge HR
re Grip
 ASUSZenWatch 2Remove Buy NowGarminVivoactiveRemove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge HRRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$150$250$450$150$199
Release20162015201820152020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a14 hours to 11 days7 days5 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320205 x 148240 x 240NA160 x 32
Size1.63 inches or 1.45 inch1.38 inches1.2 inchesNA1.8 inches
TouchNA
TypeAMOLEDLCDMIPOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM5 ATM1 ATMIP57

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aNANA
Apps
Music

All Wearables