Huawei Watch 2 vs. Casio WSD-F20A vs. Apple Watch Series 4 vs. LG G Watch R vs. Amazfit T-Rex

 
Watch 2
WSD-F20A
Watch Series 4
G Watch R
T-Rex
 HuaweiWatch 2Remove Buy NowCasioWSD-F20ARemove Buy NowAppleWatch Series 4Remove Buy NowLGG Watch RRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$350$399$329$300$140
Release20172018201820142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours1 dayNot Yet2 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution480 x 480320 x 320384 x 480320 x 320360 x 360
Size1.38 inches1.32 inches1.78 inches1.3 inches1.3 inches
Touch
TypeP-OLEDLCDMicroLEDP-OLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATMNot YetIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2Wear OSWatch OS 5Android WearBuild-in
Apps
Music

All Wearables