Amazfit Arc vs. Garmin 645 Music vs. Fitbit Flex vs. Fitbit Inspire HR vs. Apple SE

 
Arc
645 Music
Flex
Inspire HR
SE
 AmazfitArcRemove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowFitbitInspire HRRemove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$69.99$450$100$99$279
Release20162018201320192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration20 days7 days5 days5 days18 hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution72 x40240 x 240NA139 x 60384 x 480
Size0.42 inches1.2 inchesNA1.4 inches40mm
TouchNA
TypeOLEDMIPLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water ResistanceIP675 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNAFitbit OSWatchOS 5
Apps
Music

All Wearables