ASUS ZenWatch 2 vs. Garmin Forerunner 225 vs. Apple Watch Series 2 vs. Fitbit Ionic vs. Apple Series 6

 
ZenWatch 2
Forerunner 225
Watch Series 2
Ionic
Series 6
 ASUSZenWatch 2Remove Buy NowGarminForerunner 225Remove Buy NowAppleWatch Series 2Remove Buy NowFitbitIonicRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$150$300$269$299$399
Release20162015201620172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a10 hours to 4 weeks18 hours4+ 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 320180 x 180340 x 272 or 390 x 312348x250384 x 480
Size1.63 inches or 1.45 inch1 inch1.5 inches or 1.65 inches1.4240mm
Touch
TypeAMOLEDn/aAMOLEDOLEDMicroLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water ResistanceIP675 ATM5ATM50m

Notifications

Phonen/a
Emailsn/an/a
Textsn/an/a

Software

Operating SystemAndroid Wearn/aWatch OSFitbit OSWatchOS 5
Appsn/a
Musicn/a

All Wearables