ASUS ZenWatch 3 vs. Amazfit Cor vs. Casio G-Shock GBA800 vs. Garmin 645 Music vs. Fitbit Flex

 
ZenWatch 3
Cor
G-Shock GBA800
645 Music
Flex
 ASUSZenWatch 3Remove Buy NowAmazfitCorRemove Buy NowCasioG-Shock GBA800Remove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$229$79.99$120$450$100
Release20172018201820182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours12 days2 years7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution400 x 40080 x 160240 x 240NA
Size1.39 inches1.23 inches1.2 inchesNA
TouchNA
TypeAMOLEDIPS LCDMIPLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM20 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2NA
Apps
Music

All Wearables