Casio WSD-F20A vs. Fitbit Charge HR vs. LG G Watch R vs. Huawei Band 2 vs. Amazfit T-Rex

 
WSD-F20A
Charge HR
G Watch R
Band 2
T-Rex
 CasioWSD-F20ARemove Buy NowFitbitCharge HRRemove Buy NowLGG Watch RRemove Buy NowHuaweiBand 2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$399$150$300$69.99$140
Release20182015201420172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day5 days2 days21 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNAn/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320NA320 x 320128 x 32360 x 360
Size1.32 inchesNA1.3 inches0.91 inches1.3 inches
TouchNA
TypeLCDOLEDP-OLEDPMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATMIP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSNAAndroid WearBuild-in
Apps
Music

All Wearables