Fitbit Flex 2 vs. Amazfit Arc vs. Fitbit Versa vs. Garmin 645 Music vs. Apple Watch Series 4

 
Flex 2
Arc
Versa
645 Music
Watch Series 4
 FitbitFlex 2Remove Buy NowAmazfitArcRemove Buy NowFitbitVersaRemove Buy NowGarmin645 MusicRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$100$69.99$199.99$450$329
Release20162016201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days20 days4 days7 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a72 x40300 x300240 x 240384 x 480
Sizen/a0.42 inches1.34 inches1.2 inches1.78 inches
Touchn/a
TypeLEDOLEDOLEDMIPMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATM5 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OS 5
Apps
Music

All Wearables