Amazfit Arc vs. Garmin 645 Music vs. Garmin Forerunner 235 vs. Fitbit Charge HR vs. Apple Watch Series 4

 
Arc
645 Music
Forerunner 235
Charge HR
Watch Series 4
 AmazfitArcRemove Buy NowGarmin645 MusicRemove Buy NowGarminForerunner 235Remove Buy NowFitbitCharge HRRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$69.99$450$299.99$150$329
Release20162018201720152018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration20 days7 days9 days5 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution72 x40240 x 240215 x 180NA384 x 480
Size0.42 inches1.2 inches1.23 inchesNA1.78 inches
TouchNA
TypeOLEDMIPMIPOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM5 ATM1 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating SystemNAWatch OS 5
Apps
Music

All Wearables