Garmin Forerunner 735XT vs. Fitbit Alta vs. Asus ZenWatch vs. Garmin 645 Music vs. Apple Series 6

 
Forerunner 735XT
Alta
ZenWatch
645 Music
Series 6
 GarminForerunner 735XTRemove Buy NowFitbitAltaRemove Buy NowAsusZenWatchRemove Buy NowGarmin645 MusicRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$450$130$150$450$399
Release20162016201420182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days5 daysNA7 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution215 x 180n/a320 x 320240 x 240384 x 480
Size1.23 inchesn/a1.63 inches1.2 inches40mm
Touchn/an/a
Typen/aOLEDAMOLEDMIPMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATMn/aIP555 ATM

Notifications

Phone
Emailsn/aNA
TextsNA

Software

Operating Systemn/an/aAndroid WearWatchOS 5
Apps
Music

All Wearables