ASUS ZenWatch 2 vs. Amazfit Cor vs. Garmin 645 Music vs. Fitbit Alta HR vs. HTC re Grip

 
ZenWatch 2
Cor
645 Music
Alta HR
re Grip
 ASUSZenWatch 2Remove Buy NowAmazfitCorRemove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$150$79.99$450$150$199
Release20162018201820172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a12 days7 days7 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 32080 x 160240 x 240128 x 36160 x 32
Size1.63 inches or 1.45 inch1.23 inches1.2 inches1.4 inches1.8 inches
Touch
TypeAMOLEDIPS LCDMIPOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM5 ATMIP57

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearNA
Apps
Music

All Wearables