Garmin Forerunner 935 vs. Garmin 645 Music vs. Samsung Galaxy Watch vs. Fitbit Flex vs. Fitbit Versa 2

 
Forerunner 935
645 Music
Galaxy Watch
Flex
Versa 2
 GarminForerunner 935Remove Buy NowGarmin645 MusicRemove Buy NowSamsungGalaxy WatchRemove Buy NowFitbitFlexRemove Buy NowFitbitVersa 2Remove Buy Now

Basic Info

Suggested Price$500$450$330$100$199
Release20172018201820132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

DurationUp to 2 weeks7 days7 days5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240240 x 240360 x 360NA300 x 300
Size1.2 inches1.2 inches1.2 inches or 1.3 inchesNA1.34 inches
TouchNA
TypeLCDMIPAMOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating SystemTizen OSNABuild-in
Apps
MusicSpotify

All Wearables