Fitbit Flex 2 vs. Asus VivoWatch vs. Fitbit Alta HR vs. Garmin VivoActive 4 vs. Apple SE

 
Flex 2
VivoWatch
Alta HR
VivoActive 4
SE
 FitbitFlex 2Remove Buy NowAsusVivoWatchRemove Buy NowFitbitAlta HRRemove Buy NowGarminVivoActive 4Remove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$100$160$150$349$279
Release20162018201720192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours to 10 days7 days8 days18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 128128 x 36260 x 260384 x 480
Sizen/aNA1.4 inches1.3ionches40mm
Touchn/a
TypeLEDNAOLEDMIPMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet SensorNot yet
Water Resistance5 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aKoodOSWear OSWatchOS 5
Apps
Music

All Wearables