Garmin Forerunner 225 vs. Garmin 645 Music vs. Fitbit Charge 3 vs. Fitbit Flex vs. Apple SE

 
Forerunner 225
645 Music
Charge 3
Flex
SE
 GarminForerunner 225Remove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge 3Remove Buy NowFitbitFlexRemove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$300$450$150$100$279
Release20152018201820132020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks7 days7 days5 days18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/a
Windowsn/aNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution180 x 180240 x 24066 x 18NA384 x 480
Size1 inch1.2 inches.721 inchesNA40mm
TouchNA
Typen/aMIPOLEDLEDMicroLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance5 ATM5 ATM5 ATM1 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aNANAWatchOS 5
Appsn/a
Musicn/a

All Wearables