Fitbit Blaze vs. Garmin Vivosmart HR vs. Garmin 645 Music vs. Fitbit Flex vs. Apple Series 6

 
Blaze
Vivosmart HR
645 Music
Flex
Series 6
 FitbitBlazeRemove Buy NowGarminVivosmart HRRemove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$200$170$450$100$399
Release20162015201820132020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 Days5 days7 days5 daysNot yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68240 x 240NA384 x 480
Sizen/a1.08 inches1.2 inchesNA40mm
TouchNA
TypeLCDn/aMIPLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/a5 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNAWatchOS 5
Apps
Music

All Wearables