Garmin Forerunner 735XT vs. Polar Loop 2 vs. ASUS ZenWatch 3 vs. Fitbit Alta HR vs. Apple Series 6

 
Forerunner 735XT
Loop 2
ZenWatch 3
Alta HR
Series 6
 GarminForerunner 735XTRemove Buy NowPolarLoop 2Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitAlta HRRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$450$120$229$150$399
Release20162015201720172020

Activity & Fitness

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

Battery

Duration14 hours to 11 days8 days (without notifications)48 hours7 daysNot yet
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution215 x 180n/a400 x 400128 x 36384 x 480
Size1.23 inchesn/a1.39 inches1.4 inches40mm
Touchn/a
Typen/aLEDAMOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM2 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2WatchOS 5
Apps
Music

All Wearables