Amazfit Arc vs. Casio G-Shock GBA800 vs. Garmin 645 Music vs. Fitbit Flex vs. Fitbit Inspire 3

 
Arc
G-Shock GBA800
645 Music
Flex
Inspire 3
 AmazfitArcRemove Buy NowCasioG-Shock GBA800Remove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$69.99$120$450$100$100
Release20162018201820132022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration20 days2 years7 days5 days10 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution72 x40240 x 240NA32x18
Size0.42 inches1.2 inchesNA46 inches
TouchNA
TypeOLEDMIPLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP6720 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNA
Apps
Music

All Wearables