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

 
Alta
ZenWatch
645 Music
GTS
Watch Ultra
 FitbitAltaRemove Buy NowAsusZenWatchRemove Buy NowGarmin645 MusicRemove Buy NowAmazfitGTSRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$130$150$450$150$799
Release20162014201820192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysNA7 days14 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320240 x 240348 x 442502x410 pixels
Sizen/a1.63 inches1.2 inches1.65 inches1.92 inches
Touchn/a
TypeOLEDAMOLEDMIPAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP555 ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emailsn/aNA
TextsNA

Software

Operating Systemn/aAndroid WearWear OSWatchOS 9
Apps
Music

All Wearables