Apple Watch Series 3 vs. Polar M400 vs. Fitbit Alta vs. Garmin Forerunner 235 vs. Apple Watch Ultra

 
Watch Series 3
M400
Alta
Forerunner 235
Watch Ultra
 AppleWatch Series 3Remove Buy NowPolarM400Remove Buy NowFitbitAltaRemove Buy NowGarminForerunner 235Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$329$200$130$299.99$799
Release20172014201620172022

Activity & Fitness

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

Battery

Duration18 hours8 hours to 30 days5 days9 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/an/a215 x 180502x410 pixels
Size1.5 inches or 1.65 inchesn/an/a1.23 inches1.92 inches
Touchn/a
TypeAMOLEDn/aOLEDMIP

Functions

Audio SpeakerAlerts only
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMn/a5 ATM10 ATM (100 Meters)

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemWatchOS 4n/an/aWatchOS 9
Apps
Music

All Wearables