Garmin Forerunner 735XT vs. Fitbit Flex 2 vs. Asus ZenWatch vs. Garmin 645 Music vs. Apple Watch Series 4

 
Forerunner 735XT
Flex 2
ZenWatch
645 Music
Watch Series 4
 GarminForerunner 735XTRemove Buy NowFitbitFlex 2Remove Buy NowAsusZenWatchRemove Buy NowGarmin645 MusicRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$450$100$150$450$329
Release20162016201420182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days5 daysNA7 daysNot Yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution215 x 180n/a320 x 320240 x 240384 x 480
Size1.23 inchesn/a1.63 inches1.2 inches1.78 inches
Touchn/an/a
Typen/aLEDAMOLEDMIPMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP555 ATMNot Yet

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/an/aAndroid WearWatch OS 5
Apps
Music

All Wearables