Huawei Talkband B2 vs. Apple Watch vs. Garmin Vivofit 4 vs. Diesel On Full Guard 2.5 vs. Amazfit T-Rex

 
Talkband B2
Watch
Vivofit 4
On Full Guard 2.5
T-Rex
 HuaweiTalkband B2Remove Buy NowAppleWatchRemove Buy NowGarminVivofit 4Remove Buy NowDieselOn Full Guard 2.5Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$180$349$79.95$325$140
Release20152015201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration3 days18 hours1 year4 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128 x 88340 x 272 or 390 x 31288 x 88454x454360 x 360
Size0.73 inches1.5 inches or 1.65 inchesNA1.39 inches1.3 inches
Touch
TypePMOLEDAMOLEDNAAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP57IPX75 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSWear OSBuild-in
Apps
Music

All Wearables