Fitbit Flex 2 vs. Garmin Forerunner 935 vs. Amazfit Cor vs. Asus VivoWatch vs. Garmin 645 Music

 
Flex 2
Forerunner 935
Cor
VivoWatch
645 Music
 FitbitFlex 2Remove Buy NowGarminForerunner 935Remove Buy NowAmazfitCorRemove Buy NowAsusVivoWatchRemove Buy NowGarmin645 MusicRemove Buy Now

Basic Info

Suggested Price$100$500$79.99$160$450
Release20162017201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysUp to 2 weeks12 days24 hours to 10 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 24080 x 160128 x 128240 x 240
Sizen/a1.2 inches1.23 inchesNA1.2 inches
Touchn/a
TypeLEDLCDIPS LCDNAMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aKoodOS
Apps
Music

All Wearables