Fitbit Alta vs. ASUS ZenWatch 3 vs. Asus ZenWatch vs. Garmin 645 Music vs. Amazfit GTS

 
Alta
ZenWatch 3
ZenWatch
645 Music
GTS
 FitbitAltaRemove Buy NowASUSZenWatch 3Remove Buy NowAsusZenWatchRemove Buy NowGarmin645 MusicRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$130$229$150$450$150
Release20162017201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hoursNA7 days14 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400320 x 320240 x 240348 x 442
Sizen/a1.39 inches1.63 inches1.2 inches1.65 inches
Touchn/a
TypeOLEDAMOLEDAMOLEDMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP555 ATM5 ATM

Notifications

Phone
Emailsn/aNA
TextsNA

Software

Operating Systemn/aAndroid Wear 2Android WearWear OS
Apps
Music

All Wearables