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

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

Basic Info

Suggested Price$200$100$229$100$140
Release20162016201720132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 Days5 days48 hours5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhonePartialn/aNA
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a400 x 400NA360 x 360
Sizen/an/a1.39 inchesNA1.3 inches
Touchn/aNA
TypeLCDLEDAMOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

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

All Wearables