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

 
Fenix 3
Flex 2
ZenWatch 3
Fenix 5
645 Music
 GarminFenix 3Remove Buy NowFitbitFlex 2Remove Buy NowASUSZenWatch 3Remove Buy NowGarminFenix 5Remove Buy NowGarmin645 MusicRemove Buy Now

Basic Info

Suggested Price$500$100$229$599.99$450
Release20152016201720172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration50 hours to 6 weeks5 days48 hours2 Weeks7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution218 x 218n/a400 x 400240 x 240240 x 240
Size1.2 inchesn/a1.39 inches1.2 inches1.2 inches
Touchn/a
TypeChroma LEDLEDAMOLEDnaMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATM5 ATM10 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2
Apps
Music

All Wearables