Fitbit Flex 2 vs. Garmin Vivosmart HR vs. ASUS ZenWatch 3 vs. Garmin Fenix 5s vs. Fitbit Alta HR

 
Flex 2
Vivosmart HR
ZenWatch 3
Fenix 5s
Alta HR
 FitbitFlex 2Remove Buy NowGarminVivosmart HRRemove Buy NowASUSZenWatch 3Remove Buy NowGarminFenix 5sRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$100$170$229$599.99$150
Release20162015201720172017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days48 hoursUp to 9 days7 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a160 x 68400 x 400218x 218128 x 36
Sizen/a1.08 inches1.39 inches1.1 inches1.4 inches
Touchn/a
TypeLEDn/aAMOLEDnaOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM10ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2
Apps
Music

All Wearables