Fitbit One vs. Garmin Vivofit 3 vs. ASUS ZenWatch 3 vs. Fitbit Charge 3 vs. Amazfit T-Rex

 
One
Vivofit 3
ZenWatch 3
Charge 3
T-Rex
 FitbitOneRemove Buy NowGarminVivofit 3Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitCharge 3Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$100$229$150$140
Release20122016201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days1 year48 hours7 days20 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a64 x 64400 x 40066 x 18360 x 360
Sizen/a0.55 inches1.39 inches.721 inches1.3 inches
Touch
TypeOLEDn/aAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

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

All Wearables