Huawei Watch vs. ASUS ZenWatch 3 vs. Garmin 645 Music vs. Amazfit GTR vs. Amazfit T-Rex

 
Watch
ZenWatch 3
645 Music
GTR
T-Rex
 HuaweiWatchRemove Buy NowASUSZenWatch 3Remove Buy NowGarmin645 MusicRemove Buy NowAmazfitGTRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$349$229$450$199$140
Release20152017201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a48 hours7 days24 days20 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution400 x 400400 x 400240 x 240454 x 454360 x 360
Size1.4 inches1.39 inches1.2 inches1.39 inches1.3 inches
Touch
TypeAMOLEDAMOLEDMIPAMOLEDAMOLED

Functions

Audio Speakern/a
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearAndroid Wear 2Build-inBuild-in
Apps
Musicn/a

All Wearables