Amazfit Stratos vs. Asus VivoWatch vs. Garmin 645 Music vs. Fitbit Flex vs. Garmin VivoActive 4

 
Stratos
VivoWatch
645 Music
Flex
VivoActive 4
 AmazfitStratosRemove Buy NowAsusVivoWatchRemove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$199$160$450$100$349
Release20182018201820132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours to 10 days7 days5 days8 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 300128 x 128240 x 240NA260 x 260
Size1.34 inchesNA1.2 inchesNA1.3ionches
TouchNA
TypeOLEDNAMIPLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemProprietaryKoodOSNAWear OS
Apps
Music

All Wearables