Apple Watch Series 3 vs. Fitbit Alta vs. ASUS ZenWatch 3 vs. Garmin Forerunner 935 vs. Garmin 645 Music

 
Watch Series 3
Alta
ZenWatch 3
Forerunner 935
645 Music
 AppleWatch Series 3Remove Buy NowFitbitAltaRemove Buy NowASUSZenWatch 3Remove Buy NowGarminForerunner 935Remove Buy NowGarmin645 MusicRemove Buy Now

Basic Info

Suggested Price$329$130$229$500$450
Release20172016201720172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days48 hoursUp to 2 weeks7 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/a400 x 400240 x 240240 x 240
Size1.5 inches or 1.65 inchesn/a1.39 inches1.2 inches1.2 inches
Touchn/a
TypeAMOLEDOLEDAMOLEDLCDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemWatchOS 4n/aAndroid Wear 2
Apps
Music

All Wearables