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

 
Gear S
Forerunner 935
645 Music
Galaxy Watch
Flex
 SamsungGear SRemove Buy NowGarminForerunner 935Remove Buy NowGarmin645 MusicRemove Buy NowSamsungGalaxy WatchRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$250$500$450$330$100
Release20132017201820182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/aUp 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
Resolution480 x 360240 x 240240 x 240360 x 360NA
Size2 inches1.2 inches1.2 inches1.2 inches or 1.3 inchesNA
TouchNA
TypeSuper AMOLEDLCDMIPAMOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM5 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenTizen OSNA
Apps
MusicSpotify

All Wearables