Garmin Fenix 3 vs. Fitbit Flex 2 vs. ASUS ZenWatch 3 vs. Amazfit Stratos vs. Fitbit Alta HR

 
Fenix 3
Flex 2
ZenWatch 3
Stratos
Alta HR
 GarminFenix 3Remove Buy NowFitbitFlex 2Remove Buy NowASUSZenWatch 3Remove Buy NowAmazfitStratosRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$500$100$229$199$150
Release20152016201720182017

Activity & Fitness

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

Battery

Duration50 hours to 6 weeks5 days48 hours5 days7 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 400320 x 300128 x 36
Size1.2 inchesn/a1.39 inches1.34 inches1.4 inches
Touchn/a
TypeChroma LEDLEDAMOLEDOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2Proprietary
Apps
Music

All Wearables