ASUS ZenWatch 2 vs. Garmin Forerunner 735XT vs. Fitbit Alta vs. Apple Watch vs. Apple Series 6

 
ZenWatch 2
Forerunner 735XT
Alta
Watch
Series 6
 ASUSZenWatch 2Remove Buy NowGarminForerunner 735XTRemove Buy NowFitbitAltaRemove Buy NowAppleWatchRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$150$450$130$349$399
Release20162016201620152020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a14 hours to 11 days5 days18 hoursNot yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320215 x 180n/a340 x 272 or 390 x 312384 x 480
Size1.63 inches or 1.45 inch1.23 inchesn/a1.5 inches or 1.65 inches40mm
Touchn/an/a
TypeAMOLEDn/aOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water ResistanceIP675 ATMn/aIPX7

Notifications

Phone
Emailsn/an/a
Textsn/a

Software

Operating SystemAndroid Wearn/an/aWatch OSWatchOS 5
Apps
Music

All Wearables