Fitbit Flex 2 vs. Asus ZenWatch vs. Garmin 645 Music vs. Garmin Chronos vs. Garmin Forerunner 235

 
Flex 2
ZenWatch
645 Music
Chronos
Forerunner 235
 FitbitFlex 2Remove Buy NowAsusZenWatchRemove Buy NowGarmin645 MusicRemove Buy NowGarminChronosRemove Buy NowGarminForerunner 235Remove Buy Now

Basic Info

Suggested Price$100$150$450$1500$299.99
Release20162014201820182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysNA7 days8 days9 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320240 x 240218 x 218215 x 180
Sizen/a1.63 inches1.2 inches1.2 inches1.23 inches
Touchn/a
TypeLEDAMOLEDMIPMIPMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP555 ATM10 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearWear OS
Apps
Music

All Wearables