ASUS ZenWatch 2 vs. Garmin Forerunner 935 vs. Garmin 645 Music vs. Fitbit Flex vs. Amazfit GTS

 
ZenWatch 2
Forerunner 935
645 Music
Flex
GTS
 ASUSZenWatch 2Remove Buy NowGarminForerunner 935Remove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$150$500$450$100$150
Release20162017201820132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/aUp to 2 weeks7 days5 days14 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320240 x 240240 x 240NA348 x 442
Size1.63 inches or 1.45 inch1.2 inches1.2 inchesNA1.65 inches
TouchNA
TypeAMOLEDLCDMIPLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearNAWear OS
Apps
Music

All Wearables