Amazfit Arc vs. Garmin 645 Music vs. Fitbit Charge vs. Garmin VivoActive 4 vs. Apple Series 6

 
Arc
645 Music
Charge
VivoActive 4
Series 6
 AmazfitArcRemove Buy NowGarmin645 MusicRemove Buy NowFitbitChargeRemove Buy NowGarminVivoActive 4Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$69.99$450$130$349$399
Release20162018201420192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration20 days7 days7-10 days8 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution72 x40240 x 240NA260 x 260384 x 480
Size0.42 inches1.2 inchesNA1.3ionches40mm
TouchNA
TypeOLEDMIPOLEDMIPMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water ResistanceIP675 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNAWear OSWatchOS 5
Apps
Music

All Wearables