Garmin Forerunner 735XT vs. Polar M400 vs. Diesel On Full Guard 2.5 vs. Apple Watch Ultra vs. Fitbit Inspire 3

 
Forerunner 735XT
M400
On Full Guard 2.5
Watch Ultra
Inspire 3
 GarminForerunner 735XTRemove Buy NowPolarM400Remove Buy NowDieselOn Full Guard 2.5Remove Buy NowAppleWatch UltraRemove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$450$200$325$799$100
Release20162014201820222022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days8 hours to 30 days4 days36 hrs10 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution215 x 180n/a454x454502x410 pixels32x18
Size1.23 inchesn/a1.39 inches1.92 inches46 inches
Touchn/a
Typen/an/aAMOLED

Functions

Audio SpeakerAlerts only
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM3 ATM10 ATM (100 Meters)5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSWatchOS 9
Apps
Music

All Wearables