ASUS ZenWatch 2 vs. Garmin Forerunner 735XT vs. Fitbit Alta vs. Amazfit Stratos vs. Garmin 645 Music

 
ZenWatch 2
Forerunner 735XT
Alta
Stratos
645 Music
 ASUSZenWatch 2Remove Buy NowGarminForerunner 735XTRemove Buy NowFitbitAltaRemove Buy NowAmazfitStratosRemove Buy NowGarmin645 MusicRemove Buy Now

Basic Info

Suggested Price$150$450$130$199$450
Release20162016201620182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a14 hours to 11 days5 days5 days7 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 320215 x 180n/a320 x 300240 x 240
Size1.63 inches or 1.45 inch1.23 inchesn/a1.34 inches1.2 inches
Touchn/an/a
TypeAMOLEDn/aOLEDOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATMn/a5 ATM5 ATM

Notifications

Phone
Emailsn/an/a
Textsn/a

Software

Operating SystemAndroid Wearn/an/aProprietary
Apps
Music

All Wearables