ASUS ZenWatch 2 vs. Huawei Talkband B2 vs. Asus VivoWatch vs. Fitbit Charge 3 vs. Amazfit T-Rex

 
ZenWatch 2
Talkband B2
VivoWatch
Charge 3
T-Rex
 ASUSZenWatch 2Remove Buy NowHuaweiTalkband B2Remove Buy NowAsusVivoWatchRemove Buy NowFitbitCharge 3Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$180$160$150$140
Release20162015201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a3 days24 hours to 10 days7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Macn/an/aNA
Windowsn/an/aNANot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution320 x 320128 x 88128 x 12866 x 18360 x 360
Size1.63 inches or 1.45 inch0.73 inchesNA.721 inches1.3 inches
Touch
TypeAMOLEDPMOLEDNAOLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water ResistanceIP67IP57IP675 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aKoodOSNABuild-in
Apps
Music

All Wearables