Fitbit Flex 2 vs. ASUS ZenWatch 3 vs. Garmin Fenix 5s vs. Garmin 645 Music vs. Fitbit Charge HR

 
Flex 2
ZenWatch 3
Fenix 5s
645 Music
Charge HR
 FitbitFlex 2Remove Buy NowASUSZenWatch 3Remove Buy NowGarminFenix 5sRemove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge HRRemove Buy Now

Basic Info

Suggested Price$100$229$599.99$450$150
Release20162017201720182015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hoursUp to 9 days7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a400 x 400218x 218240 x 240NA
Sizen/a1.39 inches1.1 inches1.2 inchesNA
Touchn/aNA
TypeLEDAMOLEDnaMIPOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM10ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2NA
Apps
Music

All Wearables