Garmin Forerunner 735XT vs. Polar M400 vs. Fitbit Alta vs. Apple Watch 8 vs. Apple Series 6

 
Forerunner 735XT
M400
Alta
Watch 8
Series 6
 GarminForerunner 735XTRemove Buy NowPolarM400Remove Buy NowFitbitAltaRemove Buy NowAppleWatch 8Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$450$200$130$499$399
Release20162014201620222020

Activity & Fitness

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

Battery

Duration14 hours to 11 days8 hours to 30 days5 days18 hrsNot yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution215 x 180n/an/a340 x 272 or 390 x 312384 x 480
Size1.23 inchesn/an/a1.5 inches or 1.65 inches40mm
Touchn/an/a
Typen/an/aOLEDAMOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM3 ATMn/a5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/an/aWatchOS 9WatchOS 5
Apps
Music

All Wearables