Garmin Forerunner 225 vs. Garmin Forerunner 935 vs. Garmin 645 Music vs. Samsung Galaxy Watch vs. Fitbit Flex

 
Forerunner 225
Forerunner 935
645 Music
Galaxy Watch
Flex
 GarminForerunner 225Remove Buy NowGarminForerunner 935Remove Buy NowGarmin645 MusicRemove Buy NowSamsungGalaxy WatchRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$300$500$450$330$100
Release20152017201820182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeksUp to 2 weeks7 days7 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180240 x 240240 x 240360 x 360NA
Size1 inch1.2 inches1.2 inches1.2 inches or 1.3 inchesNA
TouchNA
Typen/aLCDMIPAMOLEDLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM5 ATM1 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aTizen OSNA
Appsn/a
Musicn/aSpotify

All Wearables