Apple Watch Series 3 vs. Garmin Fenix 3 vs. Apple Watch vs. Garmin 645 Music vs. Fitbit Alta HR

 
Watch Series 3
Fenix 3
Watch
645 Music
Alta HR
 AppleWatch Series 3Remove Buy NowGarminFenix 3Remove Buy NowAppleWatchRemove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$329$500$349$450$150
Release20172015201520182017

Activity & Fitness

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

Battery

Duration18 hours50 hours to 6 weeks18 hours7 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312218 x 218340 x 272 or 390 x 312240 x 240128 x 36
Size1.5 inches or 1.65 inches1.2 inches1.5 inches or 1.65 inches1.2 inches1.4 inches
Touch
TypeAMOLEDChroma LEDAMOLEDMIPOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM10 ATMIPX75 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aWatch OS
Apps
Music

All Wearables