Garmin Forerunner 735XT vs. Diesel On Full Guard vs. Garmin 645 Music vs. Fitbit Alta HR vs. Apple Watch 7

 
Forerunner 735XT
On Full Guard
645 Music
Alta HR
Watch 7
 GarminForerunner 735XTRemove Buy NowDieselOn Full GuardRemove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$450$325$450$150$429
Release20162017201820172021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days1 day7 days7 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution215 x 180454 x 454240 x 240128 x 36396 x 484
Size1.23 inches1.4 inches1.2 inches1.4 inches1.9 inches
Touchn/a
Typen/aOMOLEDMIPOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0WatchOS 8
Apps
Music

All Wearables