ASUS ZenWatch 2 vs. Garmin Forerunner 225 vs. Casio WSD-F20A vs. Amazfit T-Rex vs. Apple Series 6

 
ZenWatch 2
Forerunner 225
WSD-F20A
T-Rex
Series 6
 ASUSZenWatch 2Remove Buy NowGarminForerunner 225Remove Buy NowCasioWSD-F20ARemove Buy NowAmazfitT-RexRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$150$300$399$140$399
Release20162015201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a10 hours to 4 weeks1 day20 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 180320 x 320360 x 360384 x 480
Size1.63 inches or 1.45 inch1 inch1.32 inches1.3 inches40mm
Touch
TypeAMOLEDn/aLCDAMOLEDMicroLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water ResistanceIP675 ATM5 ATM5 ATM

Notifications

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

Software

Operating SystemAndroid Wearn/aWear OSBuild-inWatchOS 5
Appsn/a
Musicn/a

All Wearables