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

 
Watch Series 3
V800
645 Music
Alta HR
Watch Ultra
 AppleWatch Series 3Remove Buy NowPolarV800Remove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$329$470$450$150$799
Release20172014201820172022

Activity & Fitness

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

Battery

Duration18 hours13 hours to 30 days7 days7 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/a240 x 240128 x 36502x410 pixels
Size1.5 inches or 1.65 inchesn/a1.2 inches1.4 inches1.92 inches
Touch
TypeAMOLEDn/aMIPOLED

Functions

Audio SpeakerAlerts only
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aWatchOS 9
Apps
Music

All Wearables