Apple Watch Series 3 vs. Garmin Forerunner 735XT vs. Fitbit Charge 2 vs. Garmin 645 Music vs. Garmin VivoActive 4

 
Watch Series 3
Forerunner 735XT
Charge 2
645 Music
VivoActive 4
 AppleWatch Series 3Remove Buy NowGarminForerunner 735XTRemove Buy NowFitbitCharge 2Remove Buy NowGarmin645 MusicRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$329$450$150$450$349
Release20172016201620182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours14 hours to 11 days5 days7 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312215 x 180n/a240 x 240260 x 260
Size1.5 inches or 1.65 inches1.23 inchesn/a1.2 inches1.3ionches
Touchn/an/a
TypeAMOLEDn/aOLEDMIPMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMn/a5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/an/aWear OS
Apps
Music

All Wearables