Apple Watch Series 3 vs. Fitbit Ionic vs. Asus ZenWatch vs. Garmin 645 Music vs. Fitbit Alta HR

 
Watch Series 3
Ionic
ZenWatch
645 Music
Alta HR
 AppleWatch Series 3Remove Buy NowFitbitIonicRemove Buy NowAsusZenWatchRemove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$329$299$150$450$150
Release20172017201420182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours4+ daysNA7 days7 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312348x250320 x 320240 x 240128 x 36
Size1.5 inches or 1.65 inches1.421.63 inches1.2 inches1.4 inches
Touch
TypeAMOLEDOLEDAMOLEDMIPOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50mIP555 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemWatchOS 4Fitbit OSAndroid Wear
Apps
Music

All Wearables