Fitbit Blaze vs. Amazfit Arc vs. Garmin 645 Music vs. Fitbit Flex vs. Garmin Vivofit 4

 
Blaze
Arc
645 Music
Flex
Vivofit 4
 FitbitBlazeRemove Buy NowAmazfitArcRemove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$200$69.99$450$100$79.95
Release20162016201820132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 Days20 days7 days5 days1 year
Rechargeable

Compatibility

Android
iOS
Windows PhonePartialNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a72 x40240 x 240NA88 x 88
Sizen/a0.42 inches1.2 inchesNANA
TouchNA
TypeLCDOLEDMIPLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP675 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNA
Apps
Music

All Wearables