Fitbit Flex 2 vs. Apple Watch Series 2 vs. Asus VivoWatch vs. Garmin 645 Music vs. Garmin VivoActive 4

 
Flex 2
Watch Series 2
VivoWatch
645 Music
VivoActive 4
 FitbitFlex 2Remove Buy NowAppleWatch Series 2Remove Buy NowAsusVivoWatchRemove Buy NowGarmin645 MusicRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$100$269$160$450$349
Release20162016201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours24 hours to 10 days7 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a340 x 272 or 390 x 312128 x 128240 x 240260 x 260
Sizen/a1.5 inches or 1.65 inchesNA1.2 inches1.3ionches
Touchn/a
TypeLEDAMOLEDNAMIPMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance5 ATM5ATMIP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSKoodOSWear OS
Apps
Music

All Wearables