Apple Watch Series 3 vs. Apple Watch Series 2 vs. Garmin 645 Music vs. Fitbit Alta HR vs. Huawei Band 3 Pro

 
Watch Series 3
Watch Series 2
645 Music
Alta HR
Band 3 Pro
 AppleWatch Series 3Remove Buy NowAppleWatch Series 2Remove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy NowHuaweiBand 3 ProRemove Buy Now

Basic Info

Suggested Price$329$269$450$150$70
Release20172016201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours18 hours7 days7 days12 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312340 x 272 or 390 x 312240 x 240128 x 36454 x 454
Size1.5 inches or 1.65 inches1.5 inches or 1.65 inches1.2 inches1.4 inches1.39 inches
Touch
TypeAMOLEDAMOLEDMIPOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5ATM5 ATMIP68

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4Watch OSAMAZFIT OS
Apps
Music

All Wearables