ASUS ZenWatch 2 vs. ASUS ZenWatch 3 vs. Garmin Forerunner 235 vs. Polar A370 vs. Amazfit GTR

 
ZenWatch 2
ZenWatch 3
Forerunner 235
A370
GTR
 ASUSZenWatch 2Remove Buy NowASUSZenWatch 3Remove Buy NowGarminForerunner 235Remove Buy NowPolarA370Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$150$229$299.99$179.95$199
Release20162017201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a48 hours9 daysUp to 3 days24 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320400 x 400215 x 180160 x 80454 x 454
Size1.63 inches or 1.45 inch1.39 inches1.23 inches1.18 inches1.39 inches
Touch
TypeAMOLEDAMOLEDMIPTFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATMWR305 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearAndroid Wear 2Build-in
Apps
Music

All Wearables