Fitbit Zip vs. Garmin 645 Music vs. Amazfit GTR vs. Apple Watch Ultra vs. Fitbit Sense 2

 
Zip
645 Music
GTR
Watch Ultra
Sense 2
 FitbitZipRemove Buy NowGarmin645 MusicRemove Buy NowAmazfitGTRRemove Buy NowAppleWatch UltraRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$60$450$199$799$300
Release20122018201920222022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration6 months7 days24 days36 hrs6 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240454 x 454502x410 pixels336x336
Sizen/a1.2 inches1.39 inches1.92 inches1.59 inches
Touch
Typen/aMIPAMOLEDAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplash Resistant5 ATM5 ATM10 ATM (100 Meters)5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aBuild-inWatchOS 9
Apps
Music

All Wearables