Garmin Forerunner 735XT vs. Garmin 645 Music vs. Fitbit Alta HR vs. Apple Watch Series 5 vs. Garmin VivoActive 4

 
Forerunner 735XT
645 Music
Alta HR
Watch Series 5
VivoActive 4
 GarminForerunner 735XTRemove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy NowAppleWatch Series 5Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$450$450$150$329$349
Release20162018201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days7 days7 daysNot Yet8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution215 x 180240 x 240128 x 36384 x 480260 x 260
Size1.23 inches1.2 inches1.4 inches1.78 Inches1.3ionches
Touchn/a
Typen/aMIPOLEDMicroLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMNot Yet5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatchOS 5Wear OS
Apps
Music

All Wearables