Garmin Forerunner 735XT vs. Garmin 645 Music vs. Fitbit Inspire HR vs. Apple Watch Ultra vs. Fitbit Inspire 3

 
Forerunner 735XT
645 Music
Inspire HR
Watch Ultra
Inspire 3
 GarminForerunner 735XTRemove Buy NowGarmin645 MusicRemove Buy NowFitbitInspire HRRemove Buy NowAppleWatch UltraRemove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$450$450$99$799$100
Release20162018201920222022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days7 days5 days36 hrs10 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 240139 x 60502x410 pixels32x18
Size1.23 inches1.2 inches1.4 inches1.92 inches46 inches
Touchn/a
Typen/aMIPOLEDAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM10 ATM (100 Meters)5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSWatchOS 9
Apps
Music

All Wearables