ASUS ZenWatch 2 vs. Casio WSD-F20A vs. Fitbit Charge HR vs. Garmin Forerunner 45 vs. Amazfit GTR

 
ZenWatch 2
WSD-F20A
Charge HR
Forerunner 45
GTR
 ASUSZenWatch 2Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitCharge HRRemove Buy NowGarminForerunner 45Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$150$399$150$199$199
Release20162018201520192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a1 day5 days7 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320320 x 320NA208 x 208454 x 454
Size1.63 inches or 1.45 inch1.32 inchesNA1.04 inches1.39 inches
TouchNA
TypeAMOLEDLCDOLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearWear OSNABuilt-inBuild-in
Apps
Music

All Wearables