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

 
Charge 2
Flex 2
ZenWatch
645 Music
Forerunner 235
 FitbitCharge 2Remove Buy NowFitbitFlex 2Remove Buy NowAsusZenWatchRemove Buy NowGarmin645 MusicRemove Buy NowGarminForerunner 235Remove Buy Now

Basic Info

Suggested Price$150$100$150$450$299.99
Release20162016201420182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 daysNA7 days9 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a320 x 320240 x 240215 x 180
Sizen/an/a1.63 inches1.2 inches1.23 inches
Touchn/an/a
TypeOLEDLEDAMOLEDMIPMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMIP555 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/an/aAndroid Wear
Apps
Music

All Wearables