ASUS ZenWatch 3 vs. Fitbit Flex vs. Garmin Forerunner 45 vs. Amazfit T-Rex vs. Fitbit Inspire 3

 
ZenWatch 3
Flex
Forerunner 45
T-Rex
Inspire 3
 ASUSZenWatch 3Remove Buy NowFitbitFlexRemove Buy NowGarminForerunner 45Remove Buy NowAmazfitT-RexRemove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$229$100$199$140$100
Release20172013201920192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours5 days7 days20 days10 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution400 x 400NA208 x 208360 x 36032x18
Size1.39 inchesNA1.04 inches1.3 inches46 inches
TouchNA
TypeAMOLEDLEDLCDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2NABuilt-inBuild-in
Apps
Music

All Wearables