Fitbit Alta vs. Apple Watch Series 2 vs. Asus ZenWatch vs. Garmin 645 Music vs. Amazfit GTS

 
Alta
Watch Series 2
ZenWatch
645 Music
GTS
 FitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowAsusZenWatchRemove Buy NowGarmin645 MusicRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$130$269$150$450$150
Release20162016201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hoursNA7 days14 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312320 x 320240 x 240348 x 442
Sizen/a1.5 inches or 1.65 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/a5ATMIP555 ATM5 ATM

Notifications

Phone
Emailsn/aNA
TextsNA

Software

Operating Systemn/aWatch OSAndroid WearWear OS
Apps
Music

All Wearables