ASUS ZenWatch 2 vs. Samsung Gear S2 vs. Fitbit Alta vs. Garmin Forerunner 235 vs. Amazfit GTR

 
ZenWatch 2
Gear S2
Alta
Forerunner 235
GTR
 ASUSZenWatch 2Remove Buy NowSamsungGear S2Remove Buy NowFitbitAltaRemove Buy NowGarminForerunner 235Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$150$300$130$299.99$199
Release20162015201620172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a2-3 days5 days9 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution320 x 320360 x 360n/a215 x 180454 x 454
Size1.63 inches or 1.45 inch1.2 inchesn/a1.23 inches1.39 inches
Touchn/a
TypeAMOLEDSuper AMOLEDOLEDMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP68n/a5 ATM5 ATM

Notifications

Phone
Emailsn/an/a
Textsn/a

Software

Operating SystemAndroid WearTizenn/aBuild-in
Apps
Music

All Wearables