ASUS ZenWatch 2 vs. Garmin Vivosmart HR vs. Garmin 645 Music vs. Fitbit Flex vs. Apple Watch 8

 
ZenWatch 2
Vivosmart HR
645 Music
Flex
Watch 8
 ASUSZenWatch 2Remove Buy NowGarminVivosmart HRRemove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$150$170$450$100$499
Release20162015201820132022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days7 days5 days18 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320160 x 68240 x 240NA340 x 272 or 390 x 312
Size1.63 inches or 1.45 inch1.08 inches1.2 inchesNA1.5 inches or 1.65 inches
TouchNA
TypeAMOLEDn/aMIPLEDAMOLED

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 Wearn/aNAWatchOS 9
Apps
Music

All Wearables