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

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

Basic Info

Suggested Price$100$170$229$599.99$150
Release20162015201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days48 hoursUp to 9 days14 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 218348 x 442
Sizen/a1.08 inches1.39 inches1.1 inches1.65 inches
Touchn/a
TypeLEDn/aAMOLEDnaAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM10ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2Wear OS
Apps
Music

All Wearables