Apple Watch Series 3 vs. Garmin Fenix 3 vs. Polar V800 vs. Garmin 645 Music vs. Fitbit Alta HR

 
Watch Series 3
Fenix 3
V800
645 Music
Alta HR
 AppleWatch Series 3Remove Buy NowGarminFenix 3Remove Buy NowPolarV800Remove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$329$500$470$450$150
Release20172015201420182017

Activity & Fitness

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

Battery

Duration18 hours50 hours to 6 weeks13 hours to 30 days7 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312218 x 218n/a240 x 240128 x 36
Size1.5 inches or 1.65 inches1.2 inchesn/a1.2 inches1.4 inches
Touch
TypeAMOLEDChroma LEDn/aMIPOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM10 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/an/a
Apps
Music

All Wearables