Fitbit Flex 2 vs. Asus ZenWatch vs. Garmin 645 Music vs. Garmin Chronos vs. Fitbit Charge

 
Flex 2
ZenWatch
645 Music
Chronos
Charge
 FitbitFlex 2Remove Buy NowAsusZenWatchRemove Buy NowGarmin645 MusicRemove Buy NowGarminChronosRemove Buy NowFitbitChargeRemove Buy Now

Basic Info

Suggested Price$100$150$450$1500$130
Release20162014201820182014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysNA7 days8 days7-10 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320240 x 240218 x 218NA
Sizen/a1.63 inches1.2 inches1.2 inchesNA
Touchn/aNA
TypeLEDAMOLEDMIPMIPOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP555 ATM10 ATM1 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearWear OSNA
Apps
Music

All Wearables