Fitbit Flex 2 vs. ASUS ZenWatch 3 vs. Garmin 645 Music vs. Garmin Forerunner 235 vs. Fitbit Charge

 
Flex 2
ZenWatch 3
645 Music
Forerunner 235
Charge
 FitbitFlex 2Remove Buy NowASUSZenWatch 3Remove Buy NowGarmin645 MusicRemove Buy NowGarminForerunner 235Remove Buy NowFitbitChargeRemove Buy Now

Basic Info

Suggested Price$100$229$450$299.99$130
Release20162017201820172014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours7 days9 days7-10 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a400 x 400240 x 240215 x 180NA
Sizen/a1.39 inches1.2 inches1.23 inchesNA
Touchn/aNA
TypeLEDAMOLEDMIPMIPOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2NA
Apps
Music

All Wearables