Apple Watch Series 3 vs. Fossil Explorist vs. Garmin 645 Music vs. Fitbit Alta HR vs. Garmin VivoActive 4

 
Watch Series 3
Explorist
645 Music
Alta HR
VivoActive 4
 AppleWatch Series 3Remove Buy NowFossilExploristRemove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$329$255$450$150$349
Release20172018201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours24 hours7 days7 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312454 x454240 x 240128 x 36260 x 260
Size1.5 inches or 1.65 inches1.4 inches1.2 inches1.4 inches1.3ionches
Touch
TypeAMOLEDAMOLEDMIPOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4Wear OSWear OS
Apps
Music

All Wearables