ASUS ZenWatch 2 vs. ASUS ZenWatch 3 vs. Casio WSD-F20A vs. Fitbit Charge HR vs. HTC re Grip

 
ZenWatch 2
ZenWatch 3
WSD-F20A
Charge HR
re Grip
 ASUSZenWatch 2Remove Buy NowASUSZenWatch 3Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitCharge HRRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$150$229$399$150$199
Release20162017201820152020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a48 hours1 day5 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320400 x 400320 x 320NA160 x 32
Size1.63 inches or 1.45 inch1.39 inches1.32 inchesNA1.8 inches
TouchNA
TypeAMOLEDAMOLEDLCDOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM1 ATMIP57

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearAndroid Wear 2Wear OSNANA
Apps
Music

All Wearables