Amazfit Arc vs. Garmin 645 Music vs. Fitbit Charge HR vs. Fitbit Flex vs. Fitbit Inspire HR

 
Arc
645 Music
Charge HR
Flex
Inspire HR
 AmazfitArcRemove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge HRRemove Buy NowFitbitFlexRemove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$69.99$450$150$100$99
Release20162018201520132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration20 days7 days5 days5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution72 x40240 x 240NANA139 x 60
Size0.42 inches1.2 inchesNANA1.4 inches
TouchNANA
TypeOLEDMIPOLEDLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating SystemNANAFitbit OS
Apps
Music

All Wearables