Fitbit Alta vs. ASUS ZenWatch 3 vs. Amazfit Cor vs. Garmin Forerunner 45 vs. Amazfit T-Rex

 
Alta
ZenWatch 3
Cor
Forerunner 45
T-Rex
 FitbitAltaRemove Buy NowASUSZenWatch 3Remove Buy NowAmazfitCorRemove Buy NowGarminForerunner 45Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$229$79.99$199$140
Release20162017201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours12 days7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 40080 x 160208 x 208360 x 360
Sizen/a1.39 inches1.23 inches1.04 inches1.3 inches
Touchn/a
TypeOLEDAMOLEDIPS LCDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aAndroid Wear 2Built-inBuild-in
Apps
Music

All Wearables