Garmin Vivosmart HR vs. Apple Watch vs. Garmin 645 Music vs. Fitbit Flex vs. Apple SE

 
Vivosmart HR
Watch
645 Music
Flex
SE
 GarminVivosmart HRRemove Buy NowAppleWatchRemove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$170$349$450$100$279
Release20152015201820132020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours7 days5 days18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 68340 x 272 or 390 x 312240 x 240NA384 x 480
Size1.08 inches1.5 inches or 1.65 inches1.2 inchesNA40mm
TouchNA
Typen/aAMOLEDMIPLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance5 ATMIPX75 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSNAWatchOS 5
Apps
Music

All Wearables