Fitbit Flex 2 vs. Asus VivoWatch vs. Garmin 645 Music vs. Garmin Forerunner 45 vs. Apple SE

 
Flex 2
VivoWatch
645 Music
Forerunner 45
SE
 FitbitFlex 2Remove Buy NowAsusVivoWatchRemove Buy NowGarmin645 MusicRemove Buy NowGarminForerunner 45Remove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$100$160$450$199$279
Release20162018201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours to 10 days7 days7 days18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 128240 x 240208 x 208384 x 480
Sizen/aNA1.2 inches1.04 inches40mm
Touchn/a
TypeLEDNAMIPLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet SensorNot yet
Water Resistance5 ATMIP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aKoodOSBuilt-inWatchOS 5
Apps
Music

All Wearables