Fitbit Flex 2 vs. Garmin Vivosmart HR vs. ASUS ZenWatch 3 vs. Amazfit Cor vs. Fitbit Charge

 
Flex 2
Vivosmart HR
ZenWatch 3
Cor
Charge
 FitbitFlex 2Remove Buy NowGarminVivosmart HRRemove Buy NowASUSZenWatch 3Remove Buy NowAmazfitCorRemove Buy NowFitbitChargeRemove Buy Now

Basic Info

Suggested Price$100$170$229$79.99$130
Release20162015201720182014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days48 hours12 days7-10 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a160 x 68400 x 40080 x 160NA
Sizen/a1.08 inches1.39 inches1.23 inchesNA
Touchn/aNA
TypeLEDn/aAMOLEDIPS LCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2NA
Apps
Music

All Wearables