ASUS ZenWatch 2 vs. Sony SmartWatch 3 vs. Fitbit Alta vs. Garmin Forerunner 235 vs. Apple Series 6

 
ZenWatch 2
SmartWatch 3
Alta
Forerunner 235
Series 6
 ASUSZenWatch 2Remove Buy NowSonySmartWatch 3Remove Buy NowFitbitAltaRemove Buy NowGarminForerunner 235Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$150$250$130$299.99$399
Release20162014201620172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a2 days5 days9 daysNot yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320320 x 320n/a215 x 180384 x 480
Size1.63 inches or 1.45 inch1.6 inchesn/a1.23 inches40mm
Touchn/a
TypeAMOLEDTFT LCDOLEDMIPMicroLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water ResistanceIP67IP68n/a5 ATM

Notifications

Phone
Emailsn/an/a
Textsn/a

Software

Operating SystemAndroid WearAndroid Wearn/aWatchOS 5
Apps
Music

All Wearables