Fitbit Flex 2 vs. Asus ZenWatch vs. Garmin 645 Music vs. Garmin Forerunner 235 vs. Apple Watch 8

 
Flex 2
ZenWatch
645 Music
Forerunner 235
Watch 8
 FitbitFlex 2Remove Buy NowAsusZenWatchRemove Buy NowGarmin645 MusicRemove Buy NowGarminForerunner 235Remove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$100$150$450$299.99$499
Release20162014201820172022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysNA7 days9 days18 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320240 x 240215 x 180340 x 272 or 390 x 312
Sizen/a1.63 inches1.2 inches1.23 inches1.5 inches or 1.65 inches
Touchn/a
TypeLEDAMOLEDMIPMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP555 ATM5 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearWatchOS 9
Apps
Music

All Wearables