ASUS ZenWatch 2 vs. Garmin Fenix 3 vs. Garmin 645 Music vs. Polar A370 vs. Amazfit GTR

 
ZenWatch 2
Fenix 3
645 Music
A370
GTR
 ASUSZenWatch 2Remove Buy NowGarminFenix 3Remove Buy NowGarmin645 MusicRemove Buy NowPolarA370Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$150$500$450$179.95$199
Release20162015201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a50 hours to 6 weeks7 daysUp to 3 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320218 x 218240 x 240160 x 80454 x 454
Size1.63 inches or 1.45 inch1.2 inches1.2 inches1.18 inches1.39 inches
Touch
TypeAMOLEDChroma LEDMIPTFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP6710 ATM5 ATMWR305 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aBuild-in
Apps
Music

All Wearables