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

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

Basic Info

Suggested Price$500$450$330$300$100
Release20172018201820142013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
StepsNA
Swim

Battery

DurationUp to 2 weeks7 days7 days2-3 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240240 x 240360 x 360320 x 320NA
Size1.2 inches1.2 inches1.2 inches or 1.3 inches1.63 inchesNA
TouchNA
TypeLCDMIPAMOLEDSuper AMOLEDLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATMIP671 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizen OSTizen OSNA
Apps
MusicSpotify

All Wearables