Huawei Talkband B2 vs. Casio G-Shock GBA800 vs. Garmin Vivofit 4 vs. Amazfit T-Rex

 
Talkband B2
G-Shock GBA800
Vivofit 4
T-Rex
 HuaweiTalkband B2Remove Buy NowCasioG-Shock GBA800Remove Buy NowGarminVivofit 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$180$120$79.95$140
Release2015201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration3 days2 years1 year20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128 x 8888 x 88360 x 360
Size0.73 inchesNA1.3 inches
Touch
TypePMOLEDNAAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP5720 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aBuild-in
Apps
Music

All Wearables