Fitbit Zip vs. Garmin 645 Music vs. Amazfit GTR vs. Garmin VivoActive 4 vs. Apple Watch Ultra

 
Zip
645 Music
GTR
VivoActive 4
Watch Ultra
 FitbitZipRemove Buy NowGarmin645 MusicRemove Buy NowAmazfitGTRRemove Buy NowGarminVivoActive 4Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$60$450$199$349$799
Release20122018201920192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration6 months7 days24 days8 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240454 x 454260 x 260502x410 pixels
Sizen/a1.2 inches1.39 inches1.3ionches1.92 inches
Touch
Typen/aMIPAMOLEDMIP

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplash Resistant5 ATM5 ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aBuild-inWear OSWatchOS 9
Apps
Music

All Wearables