Huawei Talkband B2 vs. Casio WSD-F20A vs. Garmin Forerunner 235 vs. Fitbit Charge 3 vs. Amazfit T-Rex

 
Talkband B2
WSD-F20A
Forerunner 235
Charge 3
T-Rex
 HuaweiTalkband B2Remove Buy NowCasioWSD-F20ARemove Buy NowGarminForerunner 235Remove Buy NowFitbitCharge 3Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$180$399$299.99$150$140
Release20152018201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration3 days1 day9 days7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution128 x 88320 x 320215 x 18066 x 18360 x 360
Size0.73 inches1.32 inches1.23 inches.721 inches1.3 inches
Touch
TypePMOLEDLCDMIPOLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP575 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNABuild-in
Apps
Music

All Wearables