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

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

Basic Info

Suggested Price$100$350$160$450$329
Release20162017201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours24 hours to 10 days7 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a480 x 480128 x 128240 x 240384 x 480
Sizen/a1.38 inchesNA1.2 inches1.78 inches
Touchn/a
TypeLEDP-OLEDNAMIPMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance5 ATMIP68IP675 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2KoodOSWatch OS 5
Apps
Music

All Wearables