Samsung Gear S vs. Garmin Vivosmart HR vs. Garmin 645 Music vs. Fitbit Flex vs. Apple Series 6

 
Gear S
Vivosmart HR
645 Music
Flex
Series 6
 SamsungGear SRemove Buy NowGarminVivosmart HRRemove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$250$170$450$100$399
Release20132015201820132020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days7 days5 daysNot yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution480 x 360160 x 68240 x 240NA384 x 480
Size2 inches1.08 inches1.2 inchesNA40mm
TouchNA
TypeSuper AMOLEDn/aMIPLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water ResistanceIP675 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aNAWatchOS 5
Apps
Music

All Wearables