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

 
One
Talkband B2
ZenWatch 3
VivoWatch
T-Rex
 FitbitOneRemove Buy NowHuaweiTalkband B2Remove Buy NowASUSZenWatch 3Remove Buy NowAsusVivoWatchRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$180$229$160$140
Release20122015201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days3 days48 hours24 hours to 10 days20 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 88400 x 400128 x 128360 x 360
Sizen/a0.73 inches1.39 inchesNA1.3 inches
Touch
TypeOLEDPMOLEDAMOLEDNAAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water ResistanceSplast ResistantIP57IP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2KoodOSBuild-in
Apps
Music

All Wearables