Huawei Talkband B2 vs. Huawei Watch 2 vs. Casio WSD-F20A vs. Samsung Galaxy Watch vs. Amazfit T-Rex

 
Talkband B2
Watch 2
WSD-F20A
Galaxy Watch
T-Rex
 HuaweiTalkband B2Remove Buy NowHuaweiWatch 2Remove Buy NowCasioWSD-F20ARemove Buy NowSamsungGalaxy WatchRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$180$350$399$330$140
Release20152017201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration3 days48 hours1 day7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Color
Resolution128 x 88480 x 480320 x 320360 x 360360 x 360
Size0.73 inches1.38 inches1.32 inches1.2 inches or 1.3 inches1.3 inches
Touch
TypePMOLEDP-OLEDLCDAMOLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP57IP685 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Wear OSTizen OSBuild-in
Apps
MusicSpotify

All Wearables