Fitbit Blaze vs. Fitbit Flex 2 vs. ASUS ZenWatch 3 vs. Fitbit Charge 3 vs. Amazfit T-Rex

 
Blaze
Flex 2
ZenWatch 3
Charge 3
T-Rex
 FitbitBlazeRemove Buy NowFitbitFlex 2Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitCharge 3Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$200$100$229$150$140
Release20162016201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 Days5 days48 hours7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhonePartialn/a
Mac
WindowsNot yet

Connectivity

BluetoothYes
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/an/a400 x 40066 x 18360 x 360
Sizen/an/a1.39 inches.721 inches1.3 inches
Touchn/a
TypeLCDLEDAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

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

All Wearables